86994271

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 108593664

約数和(自身を除く): 21599393

約数列:

[1, 7, 13, 91, 151, 169, 487, 1057, 1183, 1963, 3409, 6331, 13741, 25519, 44317, 73537, 82303, 178633, 514759, 576121, 955981, 6691867, 12427753, 86994271]

約数ペア:

[(1, 86994271), (7, 12427753), (13, 6691867), (91, 955981), (151, 576121), (169, 514759), (487, 178633), (1057, 82303), (1183, 73537), (1963, 44317), (3409, 25519), (6331, 13741)]