16121705

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2213}}^1$

素因数の和:2296

約数の個数: 16

約数和(自身を含む): 20404224

約数和(自身を除く): 4282519

約数列:

[1, 5, 31, 47, 155, 235, 1457, 2213, 7285, 11065, 68603, 104011, 343015, 520055, 3224341, 16121705]

約数ペア:

[(1, 16121705), (5, 3224341), (31, 520055), (47, 343015), (155, 104011), (235, 68603), (1457, 11065), (2213, 7285)]