90189992

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{10429}}^1$

素因数の和:10505

約数の個数: 32

約数和(自身を含む): 180230400

約数和(自身を除く): 90040408

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 376, 1081, 2162, 4324, 8648, 10429, 20858, 41716, 83432, 239867, 479734, 490163, 959468, 980326, 1918936, 1960652, 3921304, 11273749, 22547498, 45094996, 90189992]

約数ペア:

[(1, 90189992), (2, 45094996), (4, 22547498), (8, 11273749), (23, 3921304), (46, 1960652), (47, 1918936), (92, 980326), (94, 959468), (184, 490163), (188, 479734), (376, 239867), (1081, 83432), (2162, 41716), (4324, 20858), (8648, 10429)]