81309848

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{977}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 155619360

約数和(自身を除く): 74309512

約数列:

[1, 2, 4, 8, 101, 103, 202, 206, 404, 412, 808, 824, 977, 1954, 3908, 7816, 10403, 20806, 41612, 83224, 98677, 100631, 197354, 201262, 394708, 402524, 789416, 805048, 10163731, 20327462, 40654924, 81309848]

約数ペア:

[(1, 81309848), (2, 40654924), (4, 20327462), (8, 10163731), (101, 805048), (103, 789416), (202, 402524), (206, 394708), (404, 201262), (412, 197354), (808, 100631), (824, 98677), (977, 83224), (1954, 41612), (3908, 20806), (7816, 10403)]