90491830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{63281}}^1$

素因数の和:63312

約数の個数: 32

約数和(自身を含む): 191364768

約数和(自身を除く): 100872938

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 63281, 126562, 316405, 632810, 696091, 822653, 1392182, 1645306, 3480455, 4113265, 6960910, 8226530, 9049183, 18098366, 45245915, 90491830]

約数ペア:

[(1, 90491830), (2, 45245915), (5, 18098366), (10, 9049183), (11, 8226530), (13, 6960910), (22, 4113265), (26, 3480455), (55, 1645306), (65, 1392182), (110, 822653), (130, 696091), (143, 632810), (286, 316405), (715, 126562), (1430, 63281)]