81235004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{655121}}^1$

素因数の和:655156

約数の個数: 12

約数和(自身を含む): 146747328

約数和(自身を除く): 65512324

約数列:

[1, 2, 4, 31, 62, 124, 655121, 1310242, 2620484, 20308751, 40617502, 81235004]

約数ペア:

[(1, 81235004), (2, 40617502), (4, 20308751), (31, 2620484), (62, 1310242), (124, 655121)]