66979976

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^2\times {\mathrm{151}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 146120640

約数和(自身を除く): 79140664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 151, 178, 302, 356, 604, 623, 712, 1057, 1208, 1246, 2114, 2492, 4228, 4984, 7921, 8456, 13439, 15842, 26878, 31684, 53756, 55447, 63368, 94073, 107512, 110894, 188146, 221788, 376292, 443576, 752584, 1196071, 2392142, 4784284, 8372497, 9568568, 16744994, 33489988, 66979976]

約数ペア:

[(1, 66979976), (2, 33489988), (4, 16744994), (7, 9568568), (8, 8372497), (14, 4784284), (28, 2392142), (56, 1196071), (89, 752584), (151, 443576), (178, 376292), (302, 221788), (356, 188146), (604, 110894), (623, 107512), (712, 94073), (1057, 63368), (1208, 55447), (1246, 53756), (2114, 31684), (2492, 26878), (4228, 15842), (4984, 13439), (7921, 8456)]