68556436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{21613}}^1$

素因数の和:21691

約数の個数: 24

約数和(自身を含む): 131326664

約数和(自身を除く): 62770228

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 21613, 43226, 86452, 280969, 561938, 1123876, 1318393, 2636786, 5273572, 17139109, 34278218, 68556436]

約数ペア:

[(1, 68556436), (2, 34278218), (4, 17139109), (13, 5273572), (26, 2636786), (52, 1318393), (61, 1123876), (122, 561938), (244, 280969), (793, 86452), (1586, 43226), (3172, 21613)]