31521724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20903}}^1$

素因数の和:20949

約数の個数: 24

約数和(自身を含む): 61457760

約数和(自身を除く): 29936036

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 20903, 41806, 83612, 271739, 543478, 606187, 1086956, 1212374, 2424748, 7880431, 15760862, 31521724]

約数ペア:

[(1, 31521724), (2, 15760862), (4, 7880431), (13, 2424748), (26, 1212374), (29, 1086956), (52, 606187), (58, 543478), (116, 271739), (377, 83612), (754, 41806), (1508, 20903)]