27721928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6199}}^1$

素因数の和:6261

約数の個数: 32

約数和(自身を含む): 57288000

約数和(自身を除く): 29566072

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 6199, 12398, 24796, 49592, 80587, 161174, 266557, 322348, 533114, 644696, 1066228, 2132456, 3465241, 6930482, 13860964, 27721928]

約数ペア:

[(1, 27721928), (2, 13860964), (4, 6930482), (8, 3465241), (13, 2132456), (26, 1066228), (43, 644696), (52, 533114), (86, 322348), (104, 266557), (172, 161174), (344, 80587), (559, 49592), (1118, 24796), (2236, 12398), (4472, 6199)]