261521206

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{733}}^1$

素因数の和:1024

約数の個数: 32

約数和(自身を含む): 425426400

約数和(自身を除く): 163905194

約数列:

[1, 2, 19, 38, 41, 82, 229, 458, 733, 779, 1466, 1558, 4351, 8702, 9389, 13927, 18778, 27854, 30053, 60106, 167857, 178391, 335714, 356782, 571007, 1142014, 3189283, 6378566, 6882137, 13764274, 130760603, 261521206]

約数ペア:

[(1, 261521206), (2, 130760603), (19, 13764274), (38, 6882137), (41, 6378566), (82, 3189283), (229, 1142014), (458, 571007), (733, 356782), (779, 335714), (1466, 178391), (1558, 167857), (4351, 60106), (8702, 30053), (9389, 27854), (13927, 18778)]