81455248

素因数分解:

$2^4\times 7^2\times {\mathrm{107}}^1\times {\mathrm{971}}^1$

素因数の和:1100

約数の個数: 60

約数和(自身を含む): 185492592

約数和(自身を除く): 104037344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 107, 112, 196, 214, 392, 428, 749, 784, 856, 971, 1498, 1712, 1942, 2996, 3884, 5243, 5992, 6797, 7768, 10486, 11984, 13594, 15536, 20972, 27188, 41944, 47579, 54376, 83888, 95158, 103897, 108752, 190316, 207794, 380632, 415588, 727279, 761264, 831176, 1454558, 1662352, 2909116, 5090953, 5818232, 10181906, 11636464, 20363812, 40727624, 81455248]

約数ペア:

[(1, 81455248), (2, 40727624), (4, 20363812), (7, 11636464), (8, 10181906), (14, 5818232), (16, 5090953), (28, 2909116), (49, 1662352), (56, 1454558), (98, 831176), (107, 761264), (112, 727279), (196, 415588), (214, 380632), (392, 207794), (428, 190316), (749, 108752), (784, 103897), (856, 95158), (971, 83888), (1498, 54376), (1712, 47579), (1942, 41944), (2996, 27188), (3884, 20972), (5243, 15536), (5992, 13594), (6797, 11984), (7768, 10486)]