28487242

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 50688000

約数和(自身を除く): 22200758

約数列:

[1, 2, 7, 14, 43, 79, 86, 158, 301, 553, 599, 602, 1106, 1198, 3397, 4193, 6794, 8386, 23779, 25757, 47321, 47558, 51514, 94642, 180299, 331247, 360598, 662494, 2034803, 4069606, 14243621, 28487242]

約数ペア:

[(1, 28487242), (2, 14243621), (7, 4069606), (14, 2034803), (43, 662494), (79, 360598), (86, 331247), (158, 180299), (301, 94642), (553, 51514), (599, 47558), (602, 47321), (1106, 25757), (1198, 23779), (3397, 8386), (4193, 6794)]