289040015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{5303}}^1$

素因数の和:6310

約数の個数: 16

約数和(自身を含む): 378832896

約数和(自身を除く): 89792881

約数列:

[1, 5, 11, 55, 991, 4955, 5303, 10901, 26515, 54505, 58333, 291665, 5255273, 26276365, 57808003, 289040015]

約数ペア:

[(1, 289040015), (5, 57808003), (11, 26276365), (55, 5255273), (991, 291665), (4955, 58333), (5303, 54505), (10901, 26515)]