399256886

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1\times {\mathrm{853}}^1$

素因数の和:1428

約数の個数: 32

約数和(自身を含む): 696864000

約数和(自身を除く): 297607114

約数列:

[1, 2, 7, 14, 67, 134, 469, 499, 853, 938, 998, 1706, 3493, 5971, 6986, 11942, 33433, 57151, 66866, 114302, 234031, 400057, 425647, 468062, 800114, 851294, 2979529, 5959058, 28518349, 57036698, 199628443, 399256886]

約数ペア:

[(1, 399256886), (2, 199628443), (7, 57036698), (14, 28518349), (67, 5959058), (134, 2979529), (469, 851294), (499, 800114), (853, 468062), (938, 425647), (998, 400057), (1706, 234031), (3493, 114302), (5971, 66866), (6986, 57151), (11942, 33433)]