81165266

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{63709}}^1$

素因数の和:63738

約数の個数: 24

約数和(自身を含む): 152521740

約数和(自身を除く): 71356474

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 63709, 127418, 445963, 828217, 891926, 1656434, 3121741, 5797519, 6243482, 11595038, 40582633, 81165266]

約数ペア:

[(1, 81165266), (2, 40582633), (7, 11595038), (13, 6243482), (14, 5797519), (26, 3121741), (49, 1656434), (91, 891926), (98, 828217), (182, 445963), (637, 127418), (1274, 63709)]