289688428

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{21433}}^1$

素因数の和:21577

約数の個数: 24

約数和(自身を含む): 528133760

約数和(自身を除く): 238445332

約数列:

[1, 2, 4, 31, 62, 109, 124, 218, 436, 3379, 6758, 13516, 21433, 42866, 85732, 664423, 1328846, 2336197, 2657692, 4672394, 9344788, 72422107, 144844214, 289688428]

約数ペア:

[(1, 289688428), (2, 144844214), (4, 72422107), (31, 9344788), (62, 4672394), (109, 2657692), (124, 2336197), (218, 1328846), (436, 664423), (3379, 85732), (6758, 42866), (13516, 21433)]