12906725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 17415552

約数和(自身を除く): 4508827

約数列:

[1, 5, 13, 25, 65, 151, 263, 325, 755, 1315, 1963, 3419, 3775, 6575, 9815, 17095, 39713, 49075, 85475, 198565, 516269, 992825, 2581345, 12906725]

約数ペア:

[(1, 12906725), (5, 2581345), (13, 992825), (25, 516269), (65, 198565), (151, 85475), (263, 49075), (325, 39713), (755, 17095), (1315, 9815), (1963, 6575), (3419, 3775)]