90217816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{18457}}^1$

素因数の和:18523

約数の個数: 32

約数和(自身を含む): 186056640

約数和(自身を除く): 95838824

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4888, 18457, 36914, 73828, 147656, 239941, 479882, 867479, 959764, 1734958, 1919528, 3469916, 6939832, 11277227, 22554454, 45108908, 90217816]

約数ペア:

[(1, 90217816), (2, 45108908), (4, 22554454), (8, 11277227), (13, 6939832), (26, 3469916), (47, 1919528), (52, 1734958), (94, 959764), (104, 867479), (188, 479882), (376, 239941), (611, 147656), (1222, 73828), (2444, 36914), (4888, 18457)]