1218978

素因数分解:

$2^1\times 3^2\times {\mathrm{241}}^1\times {\mathrm{281}}^1$

素因数の和:530

約数の個数: 24

約数和(自身を含む): 2661516

約数和(自身を除く): 1442538

約数列:

[1, 2, 3, 6, 9, 18, 241, 281, 482, 562, 723, 843, 1446, 1686, 2169, 2529, 4338, 5058, 67721, 135442, 203163, 406326, 609489, 1218978]

約数ペア:

[(1, 1218978), (2, 609489), (3, 406326), (6, 203163), (9, 135442), (18, 67721), (241, 5058), (281, 4338), (482, 2529), (562, 2169), (723, 1686), (843, 1446)]