405180542

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{419}}^1\times {\mathrm{2861}}^1$

素因数の和:3308

約数の個数: 24

約数和(自身を含む): 659919960

約数和(自身を除く): 254739418

約数列:

[1, 2, 13, 26, 169, 338, 419, 838, 2861, 5447, 5722, 10894, 37193, 70811, 74386, 141622, 483509, 967018, 1198759, 2397518, 15583867, 31167734, 202590271, 405180542]

約数ペア:

[(1, 405180542), (2, 202590271), (13, 31167734), (26, 15583867), (169, 2397518), (338, 1198759), (419, 967018), (838, 483509), (2861, 141622), (5447, 74386), (5722, 70811), (10894, 37193)]