278814302

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2069}}^1$

素因数の和:2228

約数の個数: 32

約数和(自身を含む): 463216320

約数和(自身を除く): 184402018

約数列:

[1, 2, 13, 26, 71, 73, 142, 146, 923, 949, 1846, 1898, 2069, 4138, 5183, 10366, 26897, 53794, 67379, 134758, 146899, 151037, 293798, 302074, 1909687, 1963481, 3819374, 3926962, 10723627, 21447254, 139407151, 278814302]

約数ペア:

[(1, 278814302), (2, 139407151), (13, 21447254), (26, 10723627), (71, 3926962), (73, 3819374), (142, 1963481), (146, 1909687), (923, 302074), (949, 293798), (1846, 151037), (1898, 146899), (2069, 134758), (4138, 67379), (5183, 53794), (10366, 26897)]