398192

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:656

約数の個数: 20

約数和(自身を含む): 791616

約数和(自身を除く): 393424

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 607, 656, 1214, 2428, 4856, 9712, 24887, 49774, 99548, 199096, 398192]

約数ペア:

[(1, 398192), (2, 199096), (4, 99548), (8, 49774), (16, 24887), (41, 9712), (82, 4856), (164, 2428), (328, 1214), (607, 656)]