398171905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 506677248

約数和(自身を除く): 108505343

約数列:

[1, 5, 31, 71, 97, 155, 355, 373, 485, 1865, 2201, 3007, 6887, 11005, 11563, 15035, 26483, 34435, 36181, 57815, 132415, 180905, 213497, 820973, 1067485, 1121611, 2568851, 4104865, 5608055, 12844255, 79634381, 398171905]

約数ペア:

[(1, 398171905), (5, 79634381), (31, 12844255), (71, 5608055), (97, 4104865), (155, 2568851), (355, 1121611), (373, 1067485), (485, 820973), (1865, 213497), (2201, 180905), (3007, 132415), (6887, 57815), (11005, 36181), (11563, 34435), (15035, 26483)]