258220586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{431807}}^1$

素因数の和:431845

約数の個数: 16

約数和(自身を含む): 435262464

約数和(自身を除く): 177041878

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 431807, 863614, 5613491, 9931561, 11226982, 19863122, 129110293, 258220586]

約数ペア:

[(1, 258220586), (2, 129110293), (13, 19863122), (23, 11226982), (26, 9931561), (46, 5613491), (299, 863614), (598, 431807)]