25220884

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{37309}}^1$

素因数の和:37339

約数の個数: 18

約数和(自身を含む): 47794110

約数和(自身を除く): 22573226

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 37309, 74618, 149236, 485017, 970034, 1940068, 6305221, 12610442, 25220884]

約数ペア:

[(1, 25220884), (2, 12610442), (4, 6305221), (13, 1940068), (26, 970034), (52, 485017), (169, 149236), (338, 74618), (676, 37309)]