27430396

素因数分解:

$2^2\times 7^3\times {\mathrm{19993}}^1$

素因数の和:20018

約数の個数: 24

約数和(自身を含む): 55983200

約数和(自身を除く): 28552804

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 19993, 39986, 79972, 139951, 279902, 559804, 979657, 1959314, 3918628, 6857599, 13715198, 27430396]

約数ペア:

[(1, 27430396), (2, 13715198), (4, 6857599), (7, 3918628), (14, 1959314), (28, 979657), (49, 559804), (98, 279902), (196, 139951), (343, 79972), (686, 39986), (1372, 19993)]