66440556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1193}}^1$

素因数の和:1240

約数の個数: 144

約数和(自身を含む): 219046464

約数和(自身を除く): 152605908

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 28, 34, 36, 39, 42, 51, 52, 63, 68, 78, 84, 91, 102, 117, 119, 126, 153, 156, 182, 204, 221, 234, 238, 252, 273, 306, 357, 364, 442, 468, 476, 546, 612, 663, 714, 819, 884, 1071, 1092, 1193, 1326, 1428, 1547, 1638, 1989, 2142, 2386, 2652, 3094, 3276, 3579, 3978, 4284, 4641, 4772, 6188, 7158, 7956, 8351, 9282, 10737, 13923, 14316, 15509, 16702, 18564, 20281, 21474, 25053, 27846, 31018, 33404, 40562, 42948, 46527, 50106, 55692, 60843, 62036, 75159, 81124, 93054, 100212, 108563, 121686, 139581, 141967, 150318, 182529, 186108, 217126, 243372, 263653, 279162, 283934, 300636, 325689, 365058, 425901, 434252, 527306, 558324, 567868, 651378, 730116, 790959, 851802, 977067, 1054612, 1277703, 1302756, 1581918, 1703604, 1845571, 1954134, 2372877, 2555406, 3163836, 3691142, 3908268, 4745754, 5110812, 5536713, 7382284, 9491508, 11073426, 16610139, 22146852, 33220278, 66440556]

約数ペア:

[(1, 66440556), (2, 33220278), (3, 22146852), (4, 16610139), (6, 11073426), (7, 9491508), (9, 7382284), (12, 5536713), (13, 5110812), (14, 4745754), (17, 3908268), (18, 3691142), (21, 3163836), (26, 2555406), (28, 2372877), (34, 1954134), (36, 1845571), (39, 1703604), (42, 1581918), (51, 1302756), (52, 1277703), (63, 1054612), (68, 977067), (78, 851802), (84, 790959), (91, 730116), (102, 651378), (117, 567868), (119, 558324), (126, 527306), (153, 434252), (156, 425901), (182, 365058), (204, 325689), (221, 300636), (234, 283934), (238, 279162), (252, 263653), (273, 243372), (306, 217126), (357, 186108), (364, 182529), (442, 150318), (468, 141967), (476, 139581), (546, 121686), (612, 108563), (663, 100212), (714, 93054), (819, 81124), (884, 75159), (1071, 62036), (1092, 60843), (1193, 55692), (1326, 50106), (1428, 46527), (1547, 42948), (1638, 40562), (1989, 33404), (2142, 31018), (2386, 27846), (2652, 25053), (3094, 21474), (3276, 20281), (3579, 18564), (3978, 16702), (4284, 15509), (4641, 14316), (4772, 13923), (6188, 10737), (7158, 9282), (7956, 8351)]