28169570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19699}}^1$

素因数の和:19730

約数の個数: 32

約数和(自身を含む): 59572800

約数和(自身を除く): 31403230

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 19699, 39398, 98495, 196990, 216689, 256087, 433378, 512174, 1083445, 1280435, 2166890, 2560870, 2816957, 5633914, 14084785, 28169570]

約数ペア:

[(1, 28169570), (2, 14084785), (5, 5633914), (10, 2816957), (11, 2560870), (13, 2166890), (22, 1280435), (26, 1083445), (55, 512174), (65, 433378), (110, 256087), (130, 216689), (143, 196990), (286, 98495), (715, 39398), (1430, 19699)]