28788270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137087}}^1$

素因数の和:137104

約数の個数: 32

約数和(自身を含む): 78962688

約数和(自身を除く): 50174418

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 137087, 274174, 411261, 685435, 822522, 959609, 1370870, 1919218, 2056305, 2878827, 4112610, 4798045, 5757654, 9596090, 14394135, 28788270]

約数ペア:

[(1, 28788270), (2, 14394135), (3, 9596090), (5, 5757654), (6, 4798045), (7, 4112610), (10, 2878827), (14, 2056305), (15, 1919218), (21, 1370870), (30, 959609), (35, 822522), (42, 685435), (70, 411261), (105, 274174), (210, 137087)]