128936101

素因数分解:

$7^4\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:758

約数の個数: 20

約数和(自身を含む): 152464032

約数和(自身を除く): 23527931

約数列:

[1, 7, 49, 83, 343, 581, 647, 2401, 4067, 4529, 28469, 31703, 53701, 199283, 221921, 375907, 1553447, 2631349, 18419443, 128936101]

約数ペア:

[(1, 128936101), (7, 18419443), (49, 2631349), (83, 1553447), (343, 375907), (581, 221921), (647, 199283), (2401, 53701), (4067, 31703), (4529, 28469)]