66509828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 148900416

約数和(自身を除く): 82390588

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 121, 134, 154, 242, 268, 293, 308, 469, 484, 586, 737, 847, 938, 1172, 1474, 1694, 1876, 2051, 2948, 3223, 3388, 4102, 5159, 6446, 8107, 8204, 10318, 12892, 16214, 19631, 20636, 22561, 32428, 35453, 39262, 45122, 56749, 70906, 78524, 90244, 113498, 137417, 141812, 215941, 226996, 248171, 274834, 431882, 496342, 549668, 863764, 992684, 1511587, 2375351, 3023174, 4750702, 6046348, 9501404, 16627457, 33254914, 66509828]

約数ペア:

[(1, 66509828), (2, 33254914), (4, 16627457), (7, 9501404), (11, 6046348), (14, 4750702), (22, 3023174), (28, 2375351), (44, 1511587), (67, 992684), (77, 863764), (121, 549668), (134, 496342), (154, 431882), (242, 274834), (268, 248171), (293, 226996), (308, 215941), (469, 141812), (484, 137417), (586, 113498), (737, 90244), (847, 78524), (938, 70906), (1172, 56749), (1474, 45122), (1694, 39262), (1876, 35453), (2051, 32428), (2948, 22561), (3223, 20636), (3388, 19631), (4102, 16214), (5159, 12892), (6446, 10318), (8107, 8204)]