138881615

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{4931}}^1$

素因数の和:5110

約数の個数: 16

約数和(自身を含む): 171870336

約数和(自身を除く): 32988721

約数列:

[1, 5, 43, 131, 215, 655, 4931, 5633, 24655, 28165, 212033, 645961, 1060165, 3229805, 27776323, 138881615]

約数ペア:

[(1, 138881615), (5, 27776323), (43, 3229805), (131, 1060165), (215, 645961), (655, 212033), (4931, 28165), (5633, 24655)]