131402778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{20297}}^1$

素因数の和:20398

約数の個数: 32

約数和(自身を含む): 286445376

約数和(自身を除く): 155042598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 83, 166, 249, 498, 1079, 2158, 3237, 6474, 20297, 40594, 60891, 121782, 263861, 527722, 791583, 1583166, 1684651, 3369302, 5053953, 10107906, 21900463, 43800926, 65701389, 131402778]

約数ペア:

[(1, 131402778), (2, 65701389), (3, 43800926), (6, 21900463), (13, 10107906), (26, 5053953), (39, 3369302), (78, 1684651), (83, 1583166), (166, 791583), (249, 527722), (498, 263861), (1079, 121782), (2158, 60891), (3237, 40594), (6474, 20297)]