90028016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1033}}^1$

素因数の和:1473

約数の個数: 40

約数和(自身を含む): 188477520

約数和(自身を除く): 98449504

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 419, 838, 1033, 1676, 2066, 3352, 4132, 5447, 6704, 8264, 10894, 13429, 16528, 21788, 26858, 43576, 53716, 87152, 107432, 214864, 432827, 865654, 1731308, 3462616, 5626751, 6925232, 11253502, 22507004, 45014008, 90028016]

約数ペア:

[(1, 90028016), (2, 45014008), (4, 22507004), (8, 11253502), (13, 6925232), (16, 5626751), (26, 3462616), (52, 1731308), (104, 865654), (208, 432827), (419, 214864), (838, 107432), (1033, 87152), (1676, 53716), (2066, 43576), (3352, 26858), (4132, 21788), (5447, 16528), (6704, 13429), (8264, 10894)]