81234215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1\times {\mathrm{1039}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 102835200

約数和(自身を除く): 21600985

約数列:

[1, 5, 19, 95, 823, 1039, 4115, 5195, 15637, 19741, 78185, 98705, 855097, 4275485, 16246843, 81234215]

約数ペア:

[(1, 81234215), (5, 16246843), (19, 4275485), (95, 855097), (823, 98705), (1039, 78185), (4115, 19741), (5195, 15637)]