17979215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1979}}^1$

素因数の和:2086

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 4830385

約数列:

[1, 5, 23, 79, 115, 395, 1817, 1979, 9085, 9895, 45517, 156341, 227585, 781705, 3595843, 17979215]

約数ペア:

[(1, 17979215), (5, 3595843), (23, 781705), (79, 227585), (115, 156341), (395, 45517), (1817, 9895), (1979, 9085)]