199720105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{16087}}^1$

素因数の和:16296

約数の個数: 16

約数和(自身を含む): 259467264

約数和(自身を除く): 59747159

約数列:

[1, 5, 13, 65, 191, 955, 2483, 12415, 16087, 80435, 209131, 1045655, 3072617, 15363085, 39944021, 199720105]

約数ペア:

[(1, 199720105), (5, 39944021), (13, 15363085), (65, 3072617), (191, 1045655), (955, 209131), (2483, 80435), (12415, 16087)]