81028930

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{49711}}^1$

素因数の和:49881

約数の個数: 16

約数和(自身を含む): 146749824

約数和(自身を除く): 65720894

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 49711, 99422, 248555, 497110, 8102893, 16205786, 40514465, 81028930]

約数ペア:

[(1, 81028930), (2, 40514465), (5, 16205786), (10, 8102893), (163, 497110), (326, 248555), (815, 99422), (1630, 49711)]