17664430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1987}}^1$

素因数の和:2128

約数の個数: 32

約数和(自身を含む): 36642816

約数和(自身を除く): 18978386

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 1987, 3974, 4445, 8890, 9935, 13909, 19870, 27818, 69545, 139090, 252349, 504698, 1261745, 1766443, 2523490, 3532886, 8832215, 17664430]

約数ペア:

[(1, 17664430), (2, 8832215), (5, 3532886), (7, 2523490), (10, 1766443), (14, 1261745), (35, 504698), (70, 252349), (127, 139090), (254, 69545), (635, 27818), (889, 19870), (1270, 13909), (1778, 9935), (1987, 8890), (3974, 4445)]