278258759

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 310313472

約数和(自身を除く): 32054713

約数列:

[1, 31, 37, 41, 61, 97, 1147, 1271, 1517, 1891, 2257, 2501, 3007, 3589, 3977, 5917, 47027, 69967, 77531, 92537, 111259, 123287, 147149, 183427, 218929, 242597, 2868647, 4561619, 6786799, 7520507, 8976089, 278258759]

約数ペア:

[(1, 278258759), (31, 8976089), (37, 7520507), (41, 6786799), (61, 4561619), (97, 2868647), (1147, 242597), (1271, 218929), (1517, 183427), (1891, 147149), (2257, 123287), (2501, 111259), (3007, 92537), (3589, 77531), (3977, 69967), (5917, 47027)]