7278908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19997}}^1$

素因数の和:20021

約数の個数: 24

約数和(自身を含む): 15678432

約数和(自身を除く): 8399524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 19997, 39994, 79988, 139979, 259961, 279958, 519922, 559916, 1039844, 1819727, 3639454, 7278908]

約数ペア:

[(1, 7278908), (2, 3639454), (4, 1819727), (7, 1039844), (13, 559916), (14, 519922), (26, 279958), (28, 259961), (52, 139979), (91, 79988), (182, 39994), (364, 19997)]