128575993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{3559}}^1$

素因数の和:3976

約数の個数: 16

約数和(自身を含む): 158690560

約数和(自身を除く): 30114567

約数列:

[1, 7, 13, 91, 397, 2779, 3559, 5161, 24913, 36127, 46267, 323869, 1412923, 9890461, 18367999, 128575993]

約数ペア:

[(1, 128575993), (7, 18367999), (13, 9890461), (91, 1412923), (397, 323869), (2779, 46267), (3559, 36127), (5161, 24913)]