811684990

素因数分解:

$2^1\times 5^1\times {\mathrm{4241}}^1\times {\mathrm{19139}}^1$

素因数の和:23387

約数の個数: 16

約数和(自身を含む): 1461453840

約数和(自身を除く): 649768850

約数列:

[1, 2, 5, 10, 4241, 8482, 19139, 21205, 38278, 42410, 95695, 191390, 81168499, 162336998, 405842495, 811684990]

約数ペア:

[(1, 811684990), (2, 405842495), (5, 162336998), (10, 81168499), (4241, 191390), (8482, 95695), (19139, 42410), (21205, 38278)]