81350590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{428161}}^1$

素因数の和:428187

約数の個数: 16

約数和(自身を含む): 154138320

約数和(自身を除く): 72787730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 428161, 856322, 2140805, 4281610, 8135059, 16270118, 40675295, 81350590]

約数ペア:

[(1, 81350590), (2, 40675295), (5, 16270118), (10, 8135059), (19, 4281610), (38, 2140805), (95, 856322), (190, 428161)]