31000879

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 39817008

約数和(自身を除く): 8816129

約数列:

[1, 7, 13, 41, 49, 91, 287, 533, 637, 1187, 2009, 3731, 8309, 15431, 26117, 48667, 58163, 108017, 340669, 632671, 756119, 2384683, 4428697, 31000879]

約数ペア:

[(1, 31000879), (7, 4428697), (13, 2384683), (41, 756119), (49, 632671), (91, 340669), (287, 108017), (533, 58163), (637, 48667), (1187, 26117), (2009, 15431), (3731, 8309)]