28573454

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8263}}^1$

素因数の和:8304

約数の個数: 32

約数和(自身を含む): 55534080

約数和(自身を除く): 26960626

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 8263, 16526, 57841, 107419, 115682, 156997, 214838, 313994, 751933, 1098979, 1503866, 2040961, 2197958, 4081922, 14286727, 28573454]

約数ペア:

[(1, 28573454), (2, 14286727), (7, 4081922), (13, 2197958), (14, 2040961), (19, 1503866), (26, 1098979), (38, 751933), (91, 313994), (133, 214838), (182, 156997), (247, 115682), (266, 107419), (494, 57841), (1729, 16526), (3458, 8263)]