2542775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 3464064

約数和(自身を除く): 921289

約数列:

[1, 5, 17, 25, 31, 85, 155, 193, 425, 527, 775, 965, 2635, 3281, 4825, 5983, 13175, 16405, 29915, 82025, 101711, 149575, 508555, 2542775]

約数ペア:

[(1, 2542775), (5, 508555), (17, 149575), (25, 101711), (31, 82025), (85, 29915), (155, 16405), (193, 13175), (425, 5983), (527, 4825), (775, 3281), (965, 2635)]