1291213718

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{246133}}^1$

素因数の和:246239

約数の個数: 16

約数和(自身を含む): 2014360656

約数和(自身を除く): 723146938

約数列:

[1, 2, 43, 61, 86, 122, 2623, 5246, 246133, 492266, 10583719, 15014113, 21167438, 30028226, 645606859, 1291213718]

約数ペア:

[(1, 1291213718), (2, 645606859), (43, 30028226), (61, 21167438), (86, 15014113), (122, 10583719), (2623, 492266), (5246, 246133)]