261031652

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{490661}}^1$

素因数の和:490691

約数の個数: 24

約数和(自身を含む): 549541440

約数和(自身を除く): 288509788

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 490661, 981322, 1962644, 3434627, 6869254, 9322559, 13738508, 18645118, 37290236, 65257913, 130515826, 261031652]

約数ペア:

[(1, 261031652), (2, 130515826), (4, 65257913), (7, 37290236), (14, 18645118), (19, 13738508), (28, 9322559), (38, 6869254), (76, 3434627), (133, 1962644), (266, 981322), (532, 490661)]