8686566

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1057

約数の個数: 48

約数和(自身を含む): 21835008

約数和(自身を除く): 13148442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 971, 994, 1278, 1491, 1942, 2913, 2982, 4473, 5826, 6797, 8739, 8946, 13594, 17478, 20391, 40782, 61173, 68941, 122346, 137882, 206823, 413646, 482587, 620469, 965174, 1240938, 1447761, 2895522, 4343283, 8686566]

約数ペア:

[(1, 8686566), (2, 4343283), (3, 2895522), (6, 1447761), (7, 1240938), (9, 965174), (14, 620469), (18, 482587), (21, 413646), (42, 206823), (63, 137882), (71, 122346), (126, 68941), (142, 61173), (213, 40782), (426, 20391), (497, 17478), (639, 13594), (971, 8946), (994, 8739), (1278, 6797), (1491, 5826), (1942, 4473), (2913, 2982)]