2973490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 5851440

約数和(自身を除く): 2877950

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 257, 445, 514, 890, 1157, 1285, 2314, 2570, 3341, 5785, 6682, 11570, 16705, 22873, 33410, 45746, 114365, 228730, 297349, 594698, 1486745, 2973490]

約数ペア:

[(1, 2973490), (2, 1486745), (5, 594698), (10, 297349), (13, 228730), (26, 114365), (65, 45746), (89, 33410), (130, 22873), (178, 16705), (257, 11570), (445, 6682), (514, 5785), (890, 3341), (1157, 2570), (1285, 2314)]