1286433940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5847427}}^1$

素因数の和:5847447

約数の個数: 24

約数和(自身を含む): 2947103712

約数和(自身を除く): 1660669772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5847427, 11694854, 23389708, 29237135, 58474270, 64321697, 116948540, 128643394, 257286788, 321608485, 643216970, 1286433940]

約数ペア:

[(1, 1286433940), (2, 643216970), (4, 321608485), (5, 257286788), (10, 128643394), (11, 116948540), (20, 64321697), (22, 58474270), (44, 29237135), (55, 23389708), (110, 11694854), (220, 5847427)]