81290072

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{2099}}^1$

素因数の和:2255

約数の個数: 32

約数和(自身を含む): 157248000

約数和(自身を除く): 75957928

約数列:

[1, 2, 4, 8, 47, 94, 103, 188, 206, 376, 412, 824, 2099, 4198, 4841, 8396, 9682, 16792, 19364, 38728, 98653, 197306, 216197, 394612, 432394, 789224, 864788, 1729576, 10161259, 20322518, 40645036, 81290072]

約数ペア:

[(1, 81290072), (2, 40645036), (4, 20322518), (8, 10161259), (47, 1729576), (94, 864788), (103, 789224), (188, 432394), (206, 394612), (376, 216197), (412, 197306), (824, 98653), (2099, 38728), (4198, 19364), (4841, 16792), (8396, 9682)]