399900265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{114749}}^1$

素因数の和:114812

約数の個数: 16

約数和(自身を含む): 520506000

約数和(自身を除く): 120605735

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 114749, 573745, 1950733, 4704709, 9753665, 23523545, 79980053, 399900265]

約数ペア:

[(1, 399900265), (5, 79980053), (17, 23523545), (41, 9753665), (85, 4704709), (205, 1950733), (697, 573745), (3485, 114749)]