218231244

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 216

約数和(自身を含む): 735475104

約数和(自身を除く): 517243860

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 17, 18, 21, 22, 28, 33, 34, 36, 42, 44, 51, 63, 66, 68, 77, 84, 99, 102, 119, 121, 126, 132, 153, 154, 187, 198, 204, 231, 238, 242, 252, 306, 308, 357, 363, 374, 396, 421, 462, 476, 484, 561, 612, 693, 714, 726, 748, 842, 847, 924, 1071, 1089, 1122, 1263, 1309, 1386, 1428, 1452, 1683, 1684, 1694, 2057, 2142, 2178, 2244, 2526, 2541, 2618, 2772, 2947, 3366, 3388, 3789, 3927, 4114, 4284, 4356, 4631, 5052, 5082, 5236, 5894, 6171, 6732, 7157, 7578, 7623, 7854, 8228, 8841, 9262, 10164, 11781, 11788, 12342, 13893, 14314, 14399, 15156, 15246, 15708, 17682, 18513, 18524, 21471, 23562, 24684, 26523, 27786, 28628, 28798, 30492, 32417, 35364, 37026, 41679, 42942, 43197, 47124, 50099, 50941, 53046, 55572, 57596, 64413, 64834, 74052, 78727, 83358, 85884, 86394, 97251, 100198, 101882, 106092, 128826, 129591, 129668, 150297, 152823, 157454, 166716, 172788, 194502, 200396, 203764, 236181, 257652, 259182, 291753, 300594, 305646, 314908, 356587, 389004, 450891, 458469, 472362, 518364, 551089, 583506, 601188, 611292, 708543, 713174, 865997, 901782, 916938, 944724, 1069761, 1102178, 1167012, 1417086, 1426348, 1653267, 1731994, 1803564, 1833876, 2139522, 2204356, 2597991, 2834172, 3209283, 3306534, 3463988, 4279044, 4959801, 5195982, 6061979, 6418566, 6613068, 7793973, 9919602, 10391964, 12123958, 12837132, 15587946, 18185937, 19839204, 24247916, 31175892, 36371874, 54557811, 72743748, 109115622, 218231244]

約数ペア:

[(1, 218231244), (2, 109115622), (3, 72743748), (4, 54557811), (6, 36371874), (7, 31175892), (9, 24247916), (11, 19839204), (12, 18185937), (14, 15587946), (17, 12837132), (18, 12123958), (21, 10391964), (22, 9919602), (28, 7793973), (33, 6613068), (34, 6418566), (36, 6061979), (42, 5195982), (44, 4959801), (51, 4279044), (63, 3463988), (66, 3306534), (68, 3209283), (77, 2834172), (84, 2597991), (99, 2204356), (102, 2139522), (119, 1833876), (121, 1803564), (126, 1731994), (132, 1653267), (153, 1426348), (154, 1417086), (187, 1167012), (198, 1102178), (204, 1069761), (231, 944724), (238, 916938), (242, 901782), (252, 865997), (306, 713174), (308, 708543), (357, 611292), (363, 601188), (374, 583506), (396, 551089), (421, 518364), (462, 472362), (476, 458469), (484, 450891), (561, 389004), (612, 356587), (693, 314908), (714, 305646), (726, 300594), (748, 291753), (842, 259182), (847, 257652), (924, 236181), (1071, 203764), (1089, 200396), (1122, 194502), (1263, 172788), (1309, 166716), (1386, 157454), (1428, 152823), (1452, 150297), (1683, 129668), (1684, 129591), (1694, 128826), (2057, 106092), (2142, 101882), (2178, 100198), (2244, 97251), (2526, 86394), (2541, 85884), (2618, 83358), (2772, 78727), (2947, 74052), (3366, 64834), (3388, 64413), (3789, 57596), (3927, 55572), (4114, 53046), (4284, 50941), (4356, 50099), (4631, 47124), (5052, 43197), (5082, 42942), (5236, 41679), (5894, 37026), (6171, 35364), (6732, 32417), (7157, 30492), (7578, 28798), (7623, 28628), (7854, 27786), (8228, 26523), (8841, 24684), (9262, 23562), (10164, 21471), (11781, 18524), (11788, 18513), (12342, 17682), (13893, 15708), (14314, 15246), (14399, 15156)]