2621825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 3571200

約数和(自身を除く): 949375

約数列:

[1, 5, 17, 25, 31, 85, 155, 199, 425, 527, 775, 995, 2635, 3383, 4975, 6169, 13175, 16915, 30845, 84575, 104873, 154225, 524365, 2621825]

約数ペア:

[(1, 2621825), (5, 524365), (17, 154225), (25, 104873), (31, 84575), (85, 30845), (155, 16915), (199, 13175), (425, 6169), (527, 4975), (775, 3383), (995, 2635)]