251285853

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{5647}}^1$

素因数の和:5833

約数の個数: 32

約数和(自身を含む): 414969856

約数和(自身を除く): 163684003

約数列:

[1, 3, 7, 13, 21, 39, 91, 163, 273, 489, 1141, 2119, 3423, 5647, 6357, 14833, 16941, 39529, 44499, 73411, 118587, 220233, 513877, 920461, 1541631, 2761383, 6443227, 11965993, 19329681, 35897979, 83761951, 251285853]

約数ペア:

[(1, 251285853), (3, 83761951), (7, 35897979), (13, 19329681), (21, 11965993), (39, 6443227), (91, 2761383), (163, 1541631), (273, 920461), (489, 513877), (1141, 220233), (2119, 118587), (3423, 73411), (5647, 44499), (6357, 39529), (14833, 16941)]