128931985

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{5783}}^1$

素因数の和:5822

約数の個数: 32

約数和(自身を含む): 194342400

約数和(自身を除く): 65410415

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 343, 455, 637, 1715, 3185, 4459, 5783, 22295, 28915, 40481, 75179, 202405, 283367, 375895, 526253, 1416835, 1983569, 2631265, 3683771, 9917845, 18418855, 25786397, 128931985]

約数ペア:

[(1, 128931985), (5, 25786397), (7, 18418855), (13, 9917845), (35, 3683771), (49, 2631265), (65, 1983569), (91, 1416835), (245, 526253), (343, 375895), (455, 283367), (637, 202405), (1715, 75179), (3185, 40481), (4459, 28915), (5783, 22295)]