16904390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 31959360

約数和(自身を除く): 15054970

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 821, 1642, 2059, 4105, 4118, 8210, 10295, 20590, 23809, 47618, 58291, 116582, 119045, 238090, 291455, 582910, 1690439, 3380878, 8452195, 16904390]

約数ペア:

[(1, 16904390), (2, 8452195), (5, 3380878), (10, 1690439), (29, 582910), (58, 291455), (71, 238090), (142, 119045), (145, 116582), (290, 58291), (355, 47618), (710, 23809), (821, 20590), (1642, 10295), (2059, 8210), (4105, 4118)]