7857890

素因数分解:

$2^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1381}}^1$

素因数の和:1957

約数の個数: 16

約数和(自身を含む): 14179320

約数和(自身を除く): 6321430

約数列:

[1, 2, 5, 10, 569, 1138, 1381, 2762, 2845, 5690, 6905, 13810, 785789, 1571578, 3928945, 7857890]

約数ペア:

[(1, 7857890), (2, 3928945), (5, 1571578), (10, 785789), (569, 13810), (1138, 6905), (1381, 5690), (2762, 2845)]