256230618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{321091}}^1$

素因数の和:321122

約数の個数: 32

約数和(自身を含む): 616496640

約数和(自身を除く): 360266022

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 321091, 642182, 963273, 1926546, 2247637, 4495274, 6100729, 6742911, 12201458, 13485822, 18302187, 36604374, 42705103, 85410206, 128115309, 256230618]

約数ペア:

[(1, 256230618), (2, 128115309), (3, 85410206), (6, 42705103), (7, 36604374), (14, 18302187), (19, 13485822), (21, 12201458), (38, 6742911), (42, 6100729), (57, 4495274), (114, 2247637), (133, 1926546), (266, 963273), (399, 642182), (798, 321091)]