71216431

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1321}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 87093360

約数和(自身を除く): 15876929

約数列:

[1, 11, 13, 29, 143, 169, 319, 377, 1321, 1859, 4147, 4901, 14531, 17173, 38309, 53911, 188903, 223249, 421399, 498017, 2455739, 5478187, 6474221, 71216431]

約数ペア:

[(1, 71216431), (11, 6474221), (13, 5478187), (29, 2455739), (143, 498017), (169, 421399), (319, 223249), (377, 188903), (1321, 53911), (1859, 38309), (4147, 17173), (4901, 14531)]