81560578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{195121}}^1$

素因数の和:195153

約数の個数: 16

約数和(自身を含む): 140487840

約数和(自身を除く): 58927262

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 195121, 390242, 2146331, 3707299, 4292662, 7414598, 40780289, 81560578]

約数ペア:

[(1, 81560578), (2, 40780289), (11, 7414598), (19, 4292662), (22, 3707299), (38, 2146331), (209, 390242), (418, 195121)]