257914618

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{79}}^1\times {\mathrm{743}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 424972800

約数和(自身を除く): 167058182

約数列:

[1, 2, 13, 26, 79, 158, 169, 338, 743, 1027, 1486, 2054, 2197, 4394, 9659, 13351, 19318, 26702, 58697, 117394, 125567, 173563, 251134, 347126, 763061, 1526122, 1632371, 3264742, 9919793, 19839586, 128957309, 257914618]

約数ペア:

[(1, 257914618), (2, 128957309), (13, 19839586), (26, 9919793), (79, 3264742), (158, 1632371), (169, 1526122), (338, 763061), (743, 347126), (1027, 251134), (1486, 173563), (2054, 125567), (2197, 117394), (4394, 58697), (9659, 26702), (13351, 19318)]