664351634

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 1038312000

約数和(自身を除く): 373960366

約数列:

[1, 2, 43, 86, 113, 137, 226, 274, 499, 998, 4859, 5891, 9718, 11782, 15481, 21457, 30962, 42914, 56387, 68363, 112774, 136726, 665683, 1331366, 2424641, 2939609, 4849282, 5879218, 7725019, 15450038, 332175817, 664351634]

約数ペア:

[(1, 664351634), (2, 332175817), (43, 15450038), (86, 7725019), (113, 5879218), (137, 4849282), (226, 2939609), (274, 2424641), (499, 1331366), (998, 665683), (4859, 136726), (5891, 112774), (9718, 68363), (11782, 56387), (15481, 42914), (21457, 30962)]