391414

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 16

約数和(自身を含む): 626688

約数和(自身を除く): 235274

約数列:

[1, 2, 23, 46, 67, 127, 134, 254, 1541, 2921, 3082, 5842, 8509, 17018, 195707, 391414]

約数ペア:

[(1, 391414), (2, 195707), (23, 17018), (46, 8509), (67, 5842), (127, 3082), (134, 2921), (254, 1541)]