491326

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1007

約数の個数: 16

約数和(自身を含む): 839808

約数和(自身を除く): 348482

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 971, 1942, 10681, 21362, 22333, 44666, 245663, 491326]

約数ペア:

[(1, 491326), (2, 245663), (11, 44666), (22, 22333), (23, 21362), (46, 10681), (253, 1942), (506, 971)]