98971915

素因数分解:

$5^1\times 7^2\times {\mathrm{613}}^1\times {\mathrm{659}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 138592080

約数和(自身を除く): 39620165

約数列:

[1, 5, 7, 35, 49, 245, 613, 659, 3065, 3295, 4291, 4613, 21455, 23065, 30037, 32291, 150185, 161455, 403967, 2019835, 2827769, 14138845, 19794383, 98971915]

約数ペア:

[(1, 98971915), (5, 19794383), (7, 14138845), (35, 2827769), (49, 2019835), (245, 403967), (613, 161455), (659, 150185), (3065, 32291), (3295, 30037), (4291, 23065), (4613, 21455)]