1999492742

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 3311497728

約数和(自身を除く): 1312004986

約数列:

[1, 2, 13, 26, 83, 166, 169, 263, 271, 338, 526, 542, 1079, 2158, 3419, 3523, 6838, 7046, 14027, 21829, 22493, 28054, 43658, 44447, 44986, 45799, 71273, 88894, 91598, 142546, 283777, 292409, 567554, 584818, 926549, 1853098, 3689101, 3801317, 5915659, 7378202, 7602634, 11831318, 12045137, 24090274, 76903567, 153807134, 999746371, 1999492742]

約数ペア:

[(1, 1999492742), (2, 999746371), (13, 153807134), (26, 76903567), (83, 24090274), (166, 12045137), (169, 11831318), (263, 7602634), (271, 7378202), (338, 5915659), (526, 3801317), (542, 3689101), (1079, 1853098), (2158, 926549), (3419, 584818), (3523, 567554), (6838, 292409), (7046, 283777), (14027, 142546), (21829, 91598), (22493, 88894), (28054, 71273), (43658, 45799), (44447, 44986)]