208432990

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{127873}}^1$

素因数の和:128043

約数の個数: 16

約数和(自身を含む): 377484048

約数和(自身を除く): 169051058

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 127873, 255746, 639365, 1278730, 20843299, 41686598, 104216495, 208432990]

約数ペア:

[(1, 208432990), (2, 104216495), (5, 41686598), (10, 20843299), (163, 1278730), (326, 639365), (815, 255746), (1630, 127873)]