393156907846

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{680539}}^1$

素因数の和:681244

約数の個数: 32

約数和(自身を含む): 648745171200

約数和(自身を除く): 255588263354

約数列:

[1, 2, 19, 23, 38, 46, 437, 661, 874, 1322, 12559, 15203, 25118, 30406, 288857, 577714, 680539, 1361078, 12930241, 15652397, 25860482, 31304794, 297395543, 449836279, 594791086, 899672558, 8546889301, 10346234417, 17093778602, 20692468834, 196578453923, 393156907846]

約数ペア:

[(1, 393156907846), (2, 196578453923), (19, 20692468834), (23, 17093778602), (38, 10346234417), (46, 8546889301), (437, 899672558), (661, 594791086), (874, 449836279), (1322, 297395543), (12559, 31304794), (15203, 25860482), (25118, 15652397), (30406, 12930241), (288857, 1361078), (577714, 680539)]