72872852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1401401}}^1$

素因数の和:1401418

約数の個数: 12

約数和(自身を含む): 137337396

約数和(自身を除く): 64464544

約数列:

[1, 2, 4, 13, 26, 52, 1401401, 2802802, 5605604, 18218213, 36436426, 72872852]

約数ペア:

[(1, 72872852), (2, 36436426), (4, 18218213), (13, 5605604), (26, 2802802), (52, 1401401)]