1397482010

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{221471}}^1$

素因数の和:222109

約数の個数: 16

約数和(自身を含む): 2519465472

約数和(自身を除く): 1121983462

約数列:

[1, 2, 5, 10, 631, 1262, 3155, 6310, 221471, 442942, 1107355, 2214710, 139748201, 279496402, 698741005, 1397482010]

約数ペア:

[(1, 1397482010), (2, 698741005), (5, 279496402), (10, 139748201), (631, 2214710), (1262, 1107355), (3155, 442942), (6310, 221471)]