128338978

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{15919}}^1$

素因数の和:16089

約数の個数: 16

約数和(自身を含む): 200592000

約数和(自身を除く): 72253022

約数列:

[1, 2, 29, 58, 139, 278, 4031, 8062, 15919, 31838, 461651, 923302, 2212741, 4425482, 64169489, 128338978]

約数ペア:

[(1, 128338978), (2, 64169489), (29, 4425482), (58, 2212741), (139, 923302), (278, 461651), (4031, 31838), (8062, 15919)]