12906985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1537

約数の個数: 32

約数和(自身を含む): 20079360

約数和(自身を除く): 7172375

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1493, 1729, 7465, 8645, 10451, 19409, 28367, 52255, 97045, 135863, 141835, 198569, 368771, 679315, 992845, 1843855, 2581397, 12906985]

約数ペア:

[(1, 12906985), (5, 2581397), (7, 1843855), (13, 992845), (19, 679315), (35, 368771), (65, 198569), (91, 141835), (95, 135863), (133, 97045), (247, 52255), (455, 28367), (665, 19409), (1235, 10451), (1493, 8645), (1729, 7465)]