642742454

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1\times {\mathrm{6203}}^1$

素因数の和:6811

約数の個数: 16

約数和(自身を含む): 975566592

約数和(自身を除く): 332824138

約数列:

[1, 2, 103, 206, 503, 1006, 6203, 12406, 51809, 103618, 638909, 1277818, 3120109, 6240218, 321371227, 642742454]

約数ペア:

[(1, 642742454), (2, 321371227), (103, 6240218), (206, 3120109), (503, 1277818), (1006, 638909), (6203, 103618), (12406, 51809)]