418156921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3313}}^1$

素因数の和:3425

約数の個数: 32

約数和(自身を含む): 549328640

約数和(自身を除く): 131171719

約数列:

[1, 7, 13, 19, 73, 91, 133, 247, 511, 949, 1387, 1729, 3313, 6643, 9709, 18031, 23191, 43069, 62947, 126217, 241849, 301483, 440629, 818311, 1692943, 3144037, 4595131, 5728177, 22008259, 32165917, 59736703, 418156921]

約数ペア:

[(1, 418156921), (7, 59736703), (13, 32165917), (19, 22008259), (73, 5728177), (91, 4595131), (133, 3144037), (247, 1692943), (511, 818311), (949, 440629), (1387, 301483), (1729, 241849), (3313, 126217), (6643, 62947), (9709, 43069), (18031, 23191)]