71778490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1025407}}^1$

素因数の和:1025421

約数の個数: 16

約数和(自身を含む): 147658752

約数和(自身を除く): 75880262

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1025407, 2050814, 5127035, 7177849, 10254070, 14355698, 35889245, 71778490]

約数ペア:

[(1, 71778490), (2, 35889245), (5, 14355698), (7, 10254070), (10, 7177849), (14, 5127035), (35, 2050814), (70, 1025407)]