81315934

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2857}}^1$

素因数の和:2992

約数の個数: 32

約数和(自身を含む): 148158720

約数和(自身を除く): 66842786

約数列:

[1, 2, 7, 14, 19, 38, 107, 133, 214, 266, 749, 1498, 2033, 2857, 4066, 5714, 14231, 19999, 28462, 39998, 54283, 108566, 305699, 379981, 611398, 759962, 2139893, 4279786, 5808281, 11616562, 40657967, 81315934]

約数ペア:

[(1, 81315934), (2, 40657967), (7, 11616562), (14, 5808281), (19, 4279786), (38, 2139893), (107, 759962), (133, 611398), (214, 379981), (266, 305699), (749, 108566), (1498, 54283), (2033, 39998), (2857, 28462), (4066, 19999), (5714, 14231)]