11981008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{57601}}^1$

素因数の和:57622

約数の個数: 20

約数和(自身を含む): 24999268

約数和(自身を除く): 13018260

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 57601, 115202, 230404, 460808, 748813, 921616, 1497626, 2995252, 5990504, 11981008]

約数ペア:

[(1, 11981008), (2, 5990504), (4, 2995252), (8, 1497626), (13, 921616), (16, 748813), (26, 460808), (52, 230404), (104, 115202), (208, 57601)]