72878416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{350377}}^1$

素因数の和:350398

約数の個数: 20

約数和(自身を含む): 152064052

約数和(自身を除く): 79185636

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 350377, 700754, 1401508, 2803016, 4554901, 5606032, 9109802, 18219604, 36439208, 72878416]

約数ペア:

[(1, 72878416), (2, 36439208), (4, 18219604), (8, 9109802), (13, 5606032), (16, 4554901), (26, 2803016), (52, 1401508), (104, 700754), (208, 350377)]