90894704

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{138559}}^1$

素因数の和:138608

約数の個数: 20

約数和(自身を含む): 180405120

約数和(自身を除く): 89510416

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 138559, 277118, 554236, 1108472, 2216944, 5680919, 11361838, 22723676, 45447352, 90894704]

約数ペア:

[(1, 90894704), (2, 45447352), (4, 22723676), (8, 11361838), (16, 5680919), (41, 2216944), (82, 1108472), (164, 554236), (328, 277118), (656, 138559)]