2147525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 2928384

約数和(自身を除く): 780859

約数列:

[1, 5, 17, 25, 31, 85, 155, 163, 425, 527, 775, 815, 2635, 2771, 4075, 5053, 13175, 13855, 25265, 69275, 85901, 126325, 429505, 2147525]

約数ペア:

[(1, 2147525), (5, 429505), (17, 126325), (25, 85901), (31, 69275), (85, 25265), (155, 13855), (163, 13175), (425, 5053), (527, 4075), (775, 2771), (815, 2635)]