129351778

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 207936000

約数和(自身を除く): 78584222

約数列:

[1, 2, 31, 37, 62, 74, 113, 226, 499, 998, 1147, 2294, 3503, 4181, 7006, 8362, 15469, 18463, 30938, 36926, 56387, 112774, 129611, 259222, 572353, 1144706, 1747997, 2086319, 3495994, 4172638, 64675889, 129351778]

約数ペア:

[(1, 129351778), (2, 64675889), (31, 4172638), (37, 3495994), (62, 2086319), (74, 1747997), (113, 1144706), (226, 572353), (499, 259222), (998, 129611), (1147, 112774), (2294, 56387), (3503, 36926), (4181, 30938), (7006, 18463), (8362, 15469)]