201311890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1548553}}^1$

素因数の和:1548573

約数の個数: 16

約数和(自身を含む): 390235608

約数和(自身を除く): 188923718

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1548553, 3097106, 7742765, 15485530, 20131189, 40262378, 100655945, 201311890]

約数ペア:

[(1, 201311890), (2, 100655945), (5, 40262378), (10, 20131189), (13, 15485530), (26, 7742765), (65, 3097106), (130, 1548553)]