81347682

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 182939904

約数和(自身を除く): 101592222

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 71, 74, 78, 111, 142, 213, 222, 397, 426, 481, 794, 923, 962, 1191, 1443, 1846, 2382, 2627, 2769, 2886, 5161, 5254, 5538, 7881, 10322, 14689, 15483, 15762, 28187, 29378, 30966, 34151, 44067, 56374, 68302, 84561, 88134, 102453, 169122, 190957, 204906, 366431, 381914, 572871, 732862, 1042919, 1099293, 1145742, 2085838, 2198586, 3128757, 6257514, 13557947, 27115894, 40673841, 81347682]

約数ペア:

[(1, 81347682), (2, 40673841), (3, 27115894), (6, 13557947), (13, 6257514), (26, 3128757), (37, 2198586), (39, 2085838), (71, 1145742), (74, 1099293), (78, 1042919), (111, 732862), (142, 572871), (213, 381914), (222, 366431), (397, 204906), (426, 190957), (481, 169122), (794, 102453), (923, 88134), (962, 84561), (1191, 68302), (1443, 56374), (1846, 44067), (2382, 34151), (2627, 30966), (2769, 29378), (2886, 28187), (5161, 15762), (5254, 15483), (5538, 14689), (7881, 10322)]