259390612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{15937}}^1$

素因数の和:16267

約数の個数: 24

約数和(自身を含む): 490444136

約数和(自身を除く): 231053524

約数列:

[1, 2, 4, 13, 26, 52, 313, 626, 1252, 4069, 8138, 15937, 16276, 31874, 63748, 207181, 414362, 828724, 4988281, 9976562, 19953124, 64847653, 129695306, 259390612]

約数ペア:

[(1, 259390612), (2, 129695306), (4, 64847653), (13, 19953124), (26, 9976562), (52, 4988281), (313, 828724), (626, 414362), (1252, 207181), (4069, 63748), (8138, 31874), (15937, 16276)]