25145908

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 45012744

約数和(自身を除く): 19866836

約数列:

[1, 2, 4, 61, 122, 244, 257, 401, 514, 802, 1028, 1604, 15677, 24461, 31354, 48922, 62708, 97844, 103057, 206114, 412228, 6286477, 12572954, 25145908]

約数ペア:

[(1, 25145908), (2, 12572954), (4, 6286477), (61, 412228), (122, 206114), (244, 103057), (257, 97844), (401, 62708), (514, 48922), (802, 31354), (1028, 24461), (1604, 15677)]