156996931

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 199382400

約数和(自身を除く): 42385469

約数列:

[1, 7, 13, 49, 91, 137, 257, 343, 637, 959, 1781, 1799, 3341, 4459, 6713, 12467, 12593, 23387, 35209, 46991, 87269, 88151, 163709, 246463, 457717, 610883, 1145963, 1725241, 3204019, 12076687, 22428133, 156996931]

約数ペア:

[(1, 156996931), (7, 22428133), (13, 12076687), (49, 3204019), (91, 1725241), (137, 1145963), (257, 610883), (343, 457717), (637, 246463), (959, 163709), (1781, 88151), (1799, 87269), (3341, 46991), (4459, 35209), (6713, 23387), (12467, 12593)]