320657953

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 407773440

約数和(自身を除く): 87115487

約数列:

[1, 7, 11, 77, 113, 137, 269, 791, 959, 1243, 1507, 1883, 2959, 8701, 10549, 15481, 20713, 30397, 36853, 108367, 170291, 212779, 257971, 334367, 405383, 1192037, 2340569, 2837681, 4164389, 29150723, 45808279, 320657953]

約数ペア:

[(1, 320657953), (7, 45808279), (11, 29150723), (77, 4164389), (113, 2837681), (137, 2340569), (269, 1192037), (791, 405383), (959, 334367), (1243, 257971), (1507, 212779), (1883, 170291), (2959, 108367), (8701, 36853), (10549, 30397), (15481, 20713)]