81850292

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:372

約数の個数: 36

約数和(自身を含む): 150141600

約数和(自身を除く): 68291308

約数列:

[1, 2, 4, 31, 62, 107, 124, 199, 214, 398, 428, 796, 961, 1922, 3317, 3844, 6169, 6634, 12338, 13268, 21293, 24676, 42586, 85172, 102827, 191239, 205654, 382478, 411308, 660083, 764956, 1320166, 2640332, 20462573, 40925146, 81850292]

約数ペア:

[(1, 81850292), (2, 40925146), (4, 20462573), (31, 2640332), (62, 1320166), (107, 764956), (124, 660083), (199, 411308), (214, 382478), (398, 205654), (428, 191239), (796, 102827), (961, 85172), (1922, 42586), (3317, 24676), (3844, 21293), (6169, 13268), (6634, 12338)]