289754426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{2437}}^1$

素因数の和:2738

約数の個数: 32

約数和(自身を含む): 497644560

約数和(自身を除く): 207890134

約数列:

[1, 2, 13, 17, 26, 34, 221, 269, 442, 538, 2437, 3497, 4573, 4874, 6994, 9146, 31681, 41429, 59449, 63362, 82858, 118898, 538577, 655553, 1077154, 1311106, 8522189, 11144401, 17044378, 22288802, 144877213, 289754426]

約数ペア:

[(1, 289754426), (2, 144877213), (13, 22288802), (17, 17044378), (26, 11144401), (34, 8522189), (221, 1311106), (269, 1077154), (442, 655553), (538, 538577), (2437, 118898), (3497, 82858), (4573, 63362), (4874, 59449), (6994, 41429), (9146, 31681)]