12717175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 17030160

約数和(自身を除く): 4312985

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 653, 779, 1025, 3265, 3895, 12407, 16325, 19475, 26773, 62035, 133865, 310175, 508687, 669325, 2543435, 12717175]

約数ペア:

[(1, 12717175), (5, 2543435), (19, 669325), (25, 508687), (41, 310175), (95, 133865), (205, 62035), (475, 26773), (653, 19475), (779, 16325), (1025, 12407), (3265, 3895)]