208797617

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1\times {\mathrm{1601}}^1$

素因数の和:2240

約数の個数: 16

約数和(自身を含む): 246887424

約数和(自身を除く): 38089807

約数列:

[1, 7, 31, 217, 601, 1601, 4207, 11207, 18631, 49631, 130417, 347417, 962201, 6735407, 29828231, 208797617]

約数ペア:

[(1, 208797617), (7, 29828231), (31, 6735407), (217, 962201), (601, 347417), (1601, 130417), (4207, 49631), (11207, 18631)]