65408287

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 78596160

約数和(自身を除く): 13187873

約数列:

[1, 7, 49, 61, 79, 277, 427, 553, 1939, 2989, 3871, 4819, 13573, 16897, 21883, 33733, 118279, 153181, 236131, 827953, 1072267, 1334863, 9344041, 65408287]

約数ペア:

[(1, 65408287), (7, 9344041), (49, 1334863), (61, 1072267), (79, 827953), (277, 236131), (427, 153181), (553, 118279), (1939, 33733), (2989, 21883), (3871, 16897), (4819, 13573)]