2571725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 3536232

約数和(自身を除く): 964507

約数列:

[1, 5, 13, 25, 41, 65, 193, 205, 325, 533, 965, 1025, 2509, 2665, 4825, 7913, 12545, 13325, 39565, 62725, 102869, 197825, 514345, 2571725]

約数ペア:

[(1, 2571725), (5, 514345), (13, 197825), (25, 102869), (41, 62725), (65, 39565), (193, 13325), (205, 12545), (325, 7913), (533, 4825), (965, 2665), (1025, 2509)]