213853948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 514805760

約数和(自身を除く): 300951812

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 47, 68, 77, 79, 94, 119, 121, 154, 158, 187, 188, 238, 242, 308, 316, 329, 374, 476, 484, 517, 553, 658, 748, 799, 847, 869, 1034, 1106, 1309, 1316, 1343, 1598, 1694, 1738, 2057, 2068, 2212, 2618, 2686, 3196, 3388, 3476, 3619, 3713, 4114, 5236, 5372, 5593, 5687, 6083, 7238, 7426, 8228, 8789, 9401, 9559, 11186, 11374, 12166, 14399, 14476, 14773, 14852, 17578, 18802, 19118, 22372, 22748, 24332, 25991, 28798, 29546, 35156, 37604, 38236, 39809, 40843, 51982, 57596, 59092, 61523, 63121, 66913, 79618, 81686, 96679, 103411, 103964, 123046, 126242, 133826, 159236, 162503, 163372, 193358, 206822, 246092, 252484, 267652, 285901, 325006, 386716, 413644, 441847, 449273, 571802, 650012, 676753, 694331, 883694, 898546, 1137521, 1143604, 1353506, 1388662, 1767388, 1797092, 2275042, 2707012, 2777324, 3144911, 4550084, 4860317, 6289822, 7637641, 9720634, 12579644, 15275282, 19441268, 30550564, 53463487, 106926974, 213853948]

約数ペア:

[(1, 213853948), (2, 106926974), (4, 53463487), (7, 30550564), (11, 19441268), (14, 15275282), (17, 12579644), (22, 9720634), (28, 7637641), (34, 6289822), (44, 4860317), (47, 4550084), (68, 3144911), (77, 2777324), (79, 2707012), (94, 2275042), (119, 1797092), (121, 1767388), (154, 1388662), (158, 1353506), (187, 1143604), (188, 1137521), (238, 898546), (242, 883694), (308, 694331), (316, 676753), (329, 650012), (374, 571802), (476, 449273), (484, 441847), (517, 413644), (553, 386716), (658, 325006), (748, 285901), (799, 267652), (847, 252484), (869, 246092), (1034, 206822), (1106, 193358), (1309, 163372), (1316, 162503), (1343, 159236), (1598, 133826), (1694, 126242), (1738, 123046), (2057, 103964), (2068, 103411), (2212, 96679), (2618, 81686), (2686, 79618), (3196, 66913), (3388, 63121), (3476, 61523), (3619, 59092), (3713, 57596), (4114, 51982), (5236, 40843), (5372, 39809), (5593, 38236), (5687, 37604), (6083, 35156), (7238, 29546), (7426, 28798), (8228, 25991), (8789, 24332), (9401, 22748), (9559, 22372), (11186, 19118), (11374, 18802), (12166, 17578), (14399, 14852), (14476, 14773)]