13040209

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 16467072

約数和(自身を除く): 3426863

約数列:

[1, 7, 13, 73, 91, 151, 169, 511, 949, 1057, 1183, 1963, 6643, 11023, 12337, 13741, 25519, 77161, 86359, 143299, 178633, 1003093, 1862887, 13040209]

約数ペア:

[(1, 13040209), (7, 1862887), (13, 1003093), (73, 178633), (91, 143299), (151, 86359), (169, 77161), (511, 25519), (949, 13741), (1057, 12337), (1183, 11023), (1963, 6643)]