291277012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{130267}}^1$

素因数の和:130327

約数の個数: 24

約数和(自身を含む): 561715616

約数和(自身を除く): 270438604

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 130267, 260534, 521068, 1693471, 3386942, 5601481, 6773884, 11202962, 22405924, 72819253, 145638506, 291277012]

約数ペア:

[(1, 291277012), (2, 145638506), (4, 72819253), (13, 22405924), (26, 11202962), (43, 6773884), (52, 5601481), (86, 3386942), (172, 1693471), (559, 521068), (1118, 260534), (2236, 130267)]