521104790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{25457}}^1$

素因数の和:25576

約数の個数: 32

約数和(自身を含む): 989807040

約数和(自身を除く): 468702250

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 10235, 20470, 25457, 50914, 127285, 254570, 585511, 1171022, 2265673, 2927555, 4531346, 5855110, 11328365, 22656730, 52110479, 104220958, 260552395, 521104790]

約数ペア:

[(1, 521104790), (2, 260552395), (5, 104220958), (10, 52110479), (23, 22656730), (46, 11328365), (89, 5855110), (115, 4531346), (178, 2927555), (230, 2265673), (445, 1171022), (890, 585511), (2047, 254570), (4094, 127285), (10235, 50914), (20470, 25457)]