25280216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5653}}^1$

素因数の和:5715

約数の個数: 32

約数和(自身を含む): 52242960

約数和(自身を除く): 26962744

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 5653, 11306, 22612, 45224, 73489, 146978, 243079, 293956, 486158, 587912, 972316, 1944632, 3160027, 6320054, 12640108, 25280216]

約数ペア:

[(1, 25280216), (2, 12640108), (4, 6320054), (8, 3160027), (13, 1944632), (26, 972316), (43, 587912), (52, 486158), (86, 293956), (104, 243079), (172, 146978), (344, 73489), (559, 45224), (1118, 22612), (2236, 11306), (4472, 5653)]