12995278

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:520

約数の個数: 24

約数和(自身を含む): 21122640

約数和(自身を除く): 8127362

約数列:

[1, 2, 19, 38, 41, 82, 361, 439, 722, 779, 878, 1558, 8341, 14801, 16682, 17999, 29602, 35998, 158479, 316958, 341981, 683962, 6497639, 12995278]

約数ペア:

[(1, 12995278), (2, 6497639), (19, 683962), (38, 341981), (41, 316958), (82, 158479), (361, 35998), (439, 29602), (722, 17999), (779, 16682), (878, 14801), (1558, 8341)]