2761225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 3716280

約数和(自身を除く): 955055

約数列:

[1, 5, 17, 25, 73, 85, 89, 365, 425, 445, 1241, 1513, 1825, 2225, 6205, 6497, 7565, 31025, 32485, 37825, 110449, 162425, 552245, 2761225]

約数ペア:

[(1, 2761225), (5, 552245), (17, 162425), (25, 110449), (73, 37825), (85, 32485), (89, 31025), (365, 7565), (425, 6497), (445, 6205), (1241, 2225), (1513, 1825)]