394775216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{20963}}^1$

素因数の和:21089

約数の個数: 40

約数和(自身を含む): 842249664

約数和(自身を除く): 447474448

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 107, 176, 214, 428, 856, 1177, 1712, 2354, 4708, 9416, 18832, 20963, 41926, 83852, 167704, 230593, 335408, 461186, 922372, 1844744, 2243041, 3689488, 4486082, 8972164, 17944328, 24673451, 35888656, 49346902, 98693804, 197387608, 394775216]

約数ペア:

[(1, 394775216), (2, 197387608), (4, 98693804), (8, 49346902), (11, 35888656), (16, 24673451), (22, 17944328), (44, 8972164), (88, 4486082), (107, 3689488), (176, 2243041), (214, 1844744), (428, 922372), (856, 461186), (1177, 335408), (1712, 230593), (2354, 167704), (4708, 83852), (9416, 41926), (18832, 20963)]