389966518

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{143687}}^1$

素因数の和:143771

約数の個数: 16

約数和(自身を含む): 620732160

約数和(自身を除く): 230765642

約数列:

[1, 2, 23, 46, 59, 118, 1357, 2714, 143687, 287374, 3304801, 6609602, 8477533, 16955066, 194983259, 389966518]

約数ペア:

[(1, 389966518), (2, 194983259), (23, 16955066), (46, 8477533), (59, 6609602), (118, 3304801), (1357, 287374), (2714, 143687)]