51172709

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 61696800

約数和(自身を除く): 10524091

約数列:

[1, 7, 43, 49, 149, 163, 301, 1043, 1141, 2107, 6407, 7009, 7301, 7987, 24287, 44849, 49063, 170009, 313943, 343441, 1044341, 1190063, 7310387, 51172709]

約数ペア:

[(1, 51172709), (7, 7310387), (43, 1190063), (49, 1044341), (149, 343441), (163, 313943), (301, 170009), (1043, 49063), (1141, 44849), (2107, 24287), (6407, 7987), (7009, 7301)]