39890512

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 79180200

約数和(自身を除く): 39289688

約数列:

[1, 2, 4, 8, 16, 89, 109, 178, 218, 257, 356, 436, 514, 712, 872, 1028, 1424, 1744, 2056, 4112, 9701, 19402, 22873, 28013, 38804, 45746, 56026, 77608, 91492, 112052, 155216, 182984, 224104, 365968, 448208, 2493157, 4986314, 9972628, 19945256, 39890512]

約数ペア:

[(1, 39890512), (2, 19945256), (4, 9972628), (8, 4986314), (16, 2493157), (89, 448208), (109, 365968), (178, 224104), (218, 182984), (257, 155216), (356, 112052), (436, 91492), (514, 77608), (712, 56026), (872, 45746), (1028, 38804), (1424, 28013), (1744, 22873), (2056, 19402), (4112, 9701)]