19871008085

素因数分解:

$5^1\times {\mathrm{50321}}^1\times {\mathrm{78977}}^1$

素因数の和:129303

約数の個数: 8

約数和(自身を含む): 23845985496

約数和(自身を除く): 3974977411

約数列:

[1, 5, 50321, 78977, 251605, 394885, 3974201617, 19871008085]

約数ペア:

[(1, 19871008085), (5, 3974201617), (50321, 394885), (78977, 251605)]