28728726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2129}}^1$

素因数の和:2320

約数の個数: 32

約数和(自身を含む): 62264160

約数和(自身を除く): 33535434

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 173, 346, 519, 1038, 2129, 2249, 4258, 4498, 6387, 6747, 12774, 13494, 27677, 55354, 83031, 166062, 368317, 736634, 1104951, 2209902, 4788121, 9576242, 14364363, 28728726]

約数ペア:

[(1, 28728726), (2, 14364363), (3, 9576242), (6, 4788121), (13, 2209902), (26, 1104951), (39, 736634), (78, 368317), (173, 166062), (346, 83031), (519, 55354), (1038, 27677), (2129, 13494), (2249, 12774), (4258, 6747), (4498, 6387)]