28208972

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{167}}^1\times {\mathrm{349}}^1$

素因数の和:542

約数の個数: 36

約数和(自身を含む): 54742800

約数和(自身を除く): 26533828

約数列:

[1, 2, 4, 11, 22, 44, 121, 167, 242, 334, 349, 484, 668, 698, 1396, 1837, 3674, 3839, 7348, 7678, 15356, 20207, 40414, 42229, 58283, 80828, 84458, 116566, 168916, 233132, 641113, 1282226, 2564452, 7052243, 14104486, 28208972]

約数ペア:

[(1, 28208972), (2, 14104486), (4, 7052243), (11, 2564452), (22, 1282226), (44, 641113), (121, 233132), (167, 168916), (242, 116566), (334, 84458), (349, 80828), (484, 58283), (668, 42229), (698, 40414), (1396, 20207), (1837, 15356), (3674, 7678), (3839, 7348)]