1991892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1031}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 5548032

約数和(自身を除く): 3556140

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1031, 1932, 2062, 3093, 4124, 6186, 7217, 12372, 14434, 21651, 23713, 28868, 43302, 47426, 71139, 86604, 94852, 142278, 165991, 284556, 331982, 497973, 663964, 995946, 1991892]

約数ペア:

[(1, 1991892), (2, 995946), (3, 663964), (4, 497973), (6, 331982), (7, 284556), (12, 165991), (14, 142278), (21, 94852), (23, 86604), (28, 71139), (42, 47426), (46, 43302), (69, 28868), (84, 23713), (92, 21651), (138, 14434), (161, 12372), (276, 7217), (322, 6186), (483, 4124), (644, 3093), (966, 2062), (1031, 1932)]