189888916

素因数分解:

$2^2\times 7^3\times {\mathrm{138403}}^1$

素因数の和:138428

約数の個数: 24

約数和(自身を含む): 387531200

約数和(自身を除く): 197642284

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 138403, 276806, 553612, 968821, 1937642, 3875284, 6781747, 13563494, 27126988, 47472229, 94944458, 189888916]

約数ペア:

[(1, 189888916), (2, 94944458), (4, 47472229), (7, 27126988), (14, 13563494), (28, 6781747), (49, 3875284), (98, 1937642), (196, 968821), (343, 553612), (686, 276806), (1372, 138403)]