191031880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367369}}^1$

素因数の和:367393

約数の個数: 32

約数和(自身を含む): 462886200

約数和(自身を除く): 271854320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 367369, 734738, 1469476, 1836845, 2938952, 3673690, 4775797, 7347380, 9551594, 14694760, 19103188, 23878985, 38206376, 47757970, 95515940, 191031880]

約数ペア:

[(1, 191031880), (2, 95515940), (4, 47757970), (5, 38206376), (8, 23878985), (10, 19103188), (13, 14694760), (20, 9551594), (26, 7347380), (40, 4775797), (52, 3673690), (65, 2938952), (104, 1836845), (130, 1469476), (260, 734738), (520, 367369)]