81149992

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1279}}^1$

素因数の和:1406

約数の個数: 64

約数和(自身を含む): 191692800

約数和(自身を除く): 110542808

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 103, 154, 206, 308, 412, 616, 721, 824, 1133, 1279, 1442, 2266, 2558, 2884, 4532, 5116, 5768, 7931, 8953, 9064, 10232, 14069, 15862, 17906, 28138, 31724, 35812, 56276, 63448, 71624, 98483, 112552, 131737, 196966, 263474, 393932, 526948, 787864, 922159, 1053896, 1449107, 1844318, 2898214, 3688636, 5796428, 7377272, 10143749, 11592856, 20287498, 40574996, 81149992]

約数ペア:

[(1, 81149992), (2, 40574996), (4, 20287498), (7, 11592856), (8, 10143749), (11, 7377272), (14, 5796428), (22, 3688636), (28, 2898214), (44, 1844318), (56, 1449107), (77, 1053896), (88, 922159), (103, 787864), (154, 526948), (206, 393932), (308, 263474), (412, 196966), (616, 131737), (721, 112552), (824, 98483), (1133, 71624), (1279, 63448), (1442, 56276), (2266, 35812), (2558, 31724), (2884, 28138), (4532, 17906), (5116, 15862), (5768, 14069), (7931, 10232), (8953, 9064)]