1247820290

素因数分解:

$2^1\times 5^1\times {\mathrm{10861}}^1\times {\mathrm{11489}}^1$

素因数の和:22357

約数の個数: 16

約数和(自身を含む): 2246478840

約数和(自身を除く): 998658550

約数列:

[1, 2, 5, 10, 10861, 11489, 21722, 22978, 54305, 57445, 108610, 114890, 124782029, 249564058, 623910145, 1247820290]

約数ペア:

[(1, 1247820290), (2, 623910145), (5, 249564058), (10, 124782029), (10861, 114890), (11489, 108610), (21722, 57445), (22978, 54305)]