320440991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{17569}}^1$

素因数の和:17666

約数の個数: 16

約数和(自身を含む): 366018240

約数和(自身を除く): 45577249

約数列:

[1, 13, 23, 61, 299, 793, 1403, 17569, 18239, 228397, 404087, 1071709, 5253131, 13932217, 24649307, 320440991]

約数ペア:

[(1, 320440991), (13, 24649307), (23, 13932217), (61, 5253131), (299, 1071709), (793, 404087), (1403, 228397), (17569, 18239)]