90657008

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{2579}}^1$

素因数の和:2626

約数の個数: 40

約数和(自身を含む): 190352400

約数和(自身を除く): 99695392

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2197, 2579, 2704, 4394, 5158, 8788, 10316, 17576, 20632, 33527, 35152, 41264, 67054, 134108, 268216, 435851, 536432, 871702, 1743404, 3486808, 5666063, 6973616, 11332126, 22664252, 45328504, 90657008]

約数ペア:

[(1, 90657008), (2, 45328504), (4, 22664252), (8, 11332126), (13, 6973616), (16, 5666063), (26, 3486808), (52, 1743404), (104, 871702), (169, 536432), (208, 435851), (338, 268216), (676, 134108), (1352, 67054), (2197, 41264), (2579, 35152), (2704, 33527), (4394, 20632), (5158, 17576), (8788, 10316)]