12789296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61487}}^1$

素因数の和:61508

約数の個数: 20

約数和(自身を含む): 26685792

約数和(自身を除く): 13896496

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 61487, 122974, 245948, 491896, 799331, 983792, 1598662, 3197324, 6394648, 12789296]

約数ペア:

[(1, 12789296), (2, 6394648), (4, 3197324), (8, 1598662), (13, 983792), (16, 799331), (26, 491896), (52, 245948), (104, 122974), (208, 61487)]