12871975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 17463168

約数和(自身を除く): 4591193

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 977, 2635, 4885, 13175, 16609, 24425, 30287, 83045, 151435, 415225, 514879, 757175, 2574395, 12871975]

約数ペア:

[(1, 12871975), (5, 2574395), (17, 757175), (25, 514879), (31, 415225), (85, 151435), (155, 83045), (425, 30287), (527, 24425), (775, 16609), (977, 13175), (2635, 4885)]