31127798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 51819264

約数和(自身を除く): 20691466

約数列:

[1, 2, 13, 26, 67, 107, 134, 167, 214, 334, 871, 1391, 1742, 2171, 2782, 4342, 7169, 11189, 14338, 17869, 22378, 35738, 93197, 145457, 186394, 232297, 290914, 464594, 1197223, 2394446, 15563899, 31127798]

約数ペア:

[(1, 31127798), (2, 15563899), (13, 2394446), (26, 1197223), (67, 464594), (107, 290914), (134, 232297), (167, 186394), (214, 145457), (334, 93197), (871, 35738), (1391, 22378), (1742, 17869), (2171, 14338), (2782, 11189), (4342, 7169)]