221162215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{17191}}^1$

素因数の和:17310

約数の個数: 16

約数和(自身を含む): 277272576

約数和(自身を除く): 56110361

約数列:

[1, 5, 31, 83, 155, 415, 2573, 12865, 17191, 85955, 532921, 1426853, 2664605, 7134265, 44232443, 221162215]

約数ペア:

[(1, 221162215), (5, 44232443), (31, 7134265), (83, 2664605), (155, 1426853), (415, 532921), (2573, 85955), (12865, 17191)]