12793180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 28740096

約数和(自身を除く): 15946916

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 197, 340, 382, 394, 764, 788, 955, 985, 1910, 1970, 3247, 3349, 3820, 3940, 6494, 6698, 12988, 13396, 16235, 16745, 32470, 33490, 37627, 64940, 66980, 75254, 150508, 188135, 376270, 639659, 752540, 1279318, 2558636, 3198295, 6396590, 12793180]

約数ペア:

[(1, 12793180), (2, 6396590), (4, 3198295), (5, 2558636), (10, 1279318), (17, 752540), (20, 639659), (34, 376270), (68, 188135), (85, 150508), (170, 75254), (191, 66980), (197, 64940), (340, 37627), (382, 33490), (394, 32470), (764, 16745), (788, 16235), (955, 13396), (985, 12988), (1910, 6698), (1970, 6494), (3247, 3940), (3349, 3820)]