81362710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{56897}}^1$

素因数の和:56928

約数の個数: 32

約数和(自身を含む): 172059552

約数和(自身を除く): 90696842

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 56897, 113794, 284485, 568970, 625867, 739661, 1251734, 1479322, 3129335, 3698305, 6258670, 7396610, 8136271, 16272542, 40681355, 81362710]

約数ペア:

[(1, 81362710), (2, 40681355), (5, 16272542), (10, 8136271), (11, 7396610), (13, 6258670), (22, 3698305), (26, 3129335), (55, 1479322), (65, 1251734), (110, 739661), (130, 625867), (143, 568970), (286, 284485), (715, 113794), (1430, 56897)]