251019418

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{25609}}^1$

素因数の和:25666

約数の個数: 24

約数和(自身を含む): 421796700

約数和(自身を除く): 170777282

約数列:

[1, 2, 13, 26, 29, 58, 169, 338, 377, 754, 4901, 9802, 25609, 51218, 332917, 665834, 742661, 1485322, 4327921, 8655842, 9654593, 19309186, 125509709, 251019418]

約数ペア:

[(1, 251019418), (2, 125509709), (13, 19309186), (26, 9654593), (29, 8655842), (58, 4327921), (169, 1485322), (338, 742661), (377, 665834), (754, 332917), (4901, 51218), (9802, 25609)]