257381206851

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{5227}}^1\times {\mathrm{400331}}^1$

素因数の和:405602

約数の個数: 16

約数和(自身を含む): 351613196928

約数和(自身を除く): 94231990077

約数列:

[1, 3, 41, 123, 5227, 15681, 214307, 400331, 642921, 1200993, 16413571, 49240713, 2092530137, 6277590411, 85793735617, 257381206851]

約数ペア:

[(1, 257381206851), (3, 85793735617), (41, 6277590411), (123, 2092530137), (5227, 49240713), (15681, 16413571), (214307, 1200993), (400331, 642921)]