81745992

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15991}}^1$

素因数の和:16074

約数の個数: 48

約数和(自身を含む): 224527680

約数和(自身を除く): 142781688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 5112, 15991, 31982, 47973, 63964, 95946, 127928, 143919, 191892, 287838, 383784, 575676, 1135361, 1151352, 2270722, 3406083, 4541444, 6812166, 9082888, 10218249, 13624332, 20436498, 27248664, 40872996, 81745992]

約数ペア:

[(1, 81745992), (2, 40872996), (3, 27248664), (4, 20436498), (6, 13624332), (8, 10218249), (9, 9082888), (12, 6812166), (18, 4541444), (24, 3406083), (36, 2270722), (71, 1151352), (72, 1135361), (142, 575676), (213, 383784), (284, 287838), (426, 191892), (568, 143919), (639, 127928), (852, 95946), (1278, 63964), (1704, 47973), (2556, 31982), (5112, 15991)]