201293428

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{20599}}^1$

素因数の和:20959

約数の個数: 24

約数和(自身を含む): 403760000

約数和(自身を除く): 202466572

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 1396, 2443, 4886, 9772, 20599, 41198, 82396, 144193, 288386, 576772, 7189051, 14378102, 28756204, 50323357, 100646714, 201293428]

約数ペア:

[(1, 201293428), (2, 100646714), (4, 50323357), (7, 28756204), (14, 14378102), (28, 7189051), (349, 576772), (698, 288386), (1396, 144193), (2443, 82396), (4886, 41198), (9772, 20599)]