128522737

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{557}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 159157224

約数和(自身を除く): 30634487

約数列:

[1, 7, 17, 49, 119, 277, 557, 833, 1939, 3899, 4709, 9469, 13573, 27293, 32963, 66283, 154289, 230741, 463981, 1080023, 2622913, 7560161, 18360391, 128522737]

約数ペア:

[(1, 128522737), (7, 18360391), (17, 7560161), (49, 2622913), (119, 1080023), (277, 463981), (557, 230741), (833, 154289), (1939, 66283), (3899, 32963), (4709, 27293), (9469, 13573)]