28450370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218849}}^1$

素因数の和:218869

約数の個数: 16

約数和(自身を含む): 55150200

約数和(自身を除く): 26699830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 218849, 437698, 1094245, 2188490, 2845037, 5690074, 14225185, 28450370]

約数ペア:

[(1, 28450370), (2, 14225185), (5, 5690074), (10, 2845037), (13, 2188490), (26, 1094245), (65, 437698), (130, 218849)]