128814892790

素因数分解:

$2^1\times 5^1\times {\mathrm{157933}}^1\times {\mathrm{81563}}^1$

素因数の和:239503

約数の個数: 16

約数和(自身を含む): 231871117968

約数和(自身を除く): 103056225178

約数列:

[1, 2, 5, 10, 81563, 157933, 163126, 315866, 407815, 789665, 815630, 1579330, 12881489279, 25762978558, 64407446395, 128814892790]

約数ペア:

[(1, 128814892790), (2, 64407446395), (5, 25762978558), (10, 12881489279), (81563, 1579330), (157933, 815630), (163126, 789665), (315866, 407815)]