291259124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{130259}}^1$

素因数の和:130319

約数の個数: 24

約数和(自身を含む): 561681120

約数和(自身を除く): 270421996

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 130259, 260518, 521036, 1693367, 3386734, 5601137, 6773468, 11202274, 22404548, 72814781, 145629562, 291259124]

約数ペア:

[(1, 291259124), (2, 145629562), (4, 72814781), (13, 22404548), (26, 11202274), (43, 6773468), (52, 5601137), (86, 3386734), (172, 1693367), (559, 521036), (1118, 260518), (2236, 130259)]