397331886

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{27581}}^1$

素因数の和:27614

約数の個数: 40

約数和(自身を含む): 927086184

約数和(自身を除く): 529754298

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 2401, 4802, 7203, 14406, 27581, 55162, 82743, 165486, 193067, 386134, 579201, 1158402, 1351469, 2702938, 4054407, 8108814, 9460283, 18920566, 28380849, 56761698, 66221981, 132443962, 198665943, 397331886]

約数ペア:

[(1, 397331886), (2, 198665943), (3, 132443962), (6, 66221981), (7, 56761698), (14, 28380849), (21, 18920566), (42, 9460283), (49, 8108814), (98, 4054407), (147, 2702938), (294, 1351469), (343, 1158402), (686, 579201), (1029, 386134), (2058, 193067), (2401, 165486), (4802, 82743), (7203, 55162), (14406, 27581)]