78538172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{4021}}^1$

素因数の和:4301

約数の個数: 24

約数和(自身を含む): 145274640

約数和(自身を除く): 66736468

約数列:

[1, 2, 4, 19, 38, 76, 257, 514, 1028, 4021, 4883, 8042, 9766, 16084, 19532, 76399, 152798, 305596, 1033397, 2066794, 4133588, 19634543, 39269086, 78538172]

約数ペア:

[(1, 78538172), (2, 39269086), (4, 19634543), (19, 4133588), (38, 2066794), (76, 1033397), (257, 305596), (514, 152798), (1028, 76399), (4021, 19532), (4883, 16084), (8042, 9766)]