289703056

素因数分解:

$2^4\times {\mathrm{907}}^1\times {\mathrm{19963}}^1$

素因数の和:20878

約数の個数: 20

約数和(自身を含む): 561946672

約数和(自身を除く): 272243616

約数列:

[1, 2, 4, 8, 16, 907, 1814, 3628, 7256, 14512, 19963, 39926, 79852, 159704, 319408, 18106441, 36212882, 72425764, 144851528, 289703056]

約数ペア:

[(1, 289703056), (2, 144851528), (4, 72425764), (8, 36212882), (16, 18106441), (907, 319408), (1814, 159704), (3628, 79852), (7256, 39926), (14512, 19963)]