81011504

素因数分解:

$2^4\times 7^2\times {\mathrm{191}}^1\times {\mathrm{541}}^1$

素因数の和:754

約数の個数: 60

約数和(自身を含む): 183881088

約数和(自身を除く): 102869584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 191, 196, 382, 392, 541, 764, 784, 1082, 1337, 1528, 2164, 2674, 3056, 3787, 4328, 5348, 7574, 8656, 9359, 10696, 15148, 18718, 21392, 26509, 30296, 37436, 53018, 60592, 74872, 103331, 106036, 149744, 206662, 212072, 413324, 424144, 723317, 826648, 1446634, 1653296, 2893268, 5063219, 5786536, 10126438, 11573072, 20252876, 40505752, 81011504]

約数ペア:

[(1, 81011504), (2, 40505752), (4, 20252876), (7, 11573072), (8, 10126438), (14, 5786536), (16, 5063219), (28, 2893268), (49, 1653296), (56, 1446634), (98, 826648), (112, 723317), (191, 424144), (196, 413324), (382, 212072), (392, 206662), (541, 149744), (764, 106036), (784, 103331), (1082, 74872), (1337, 60592), (1528, 53018), (2164, 37436), (2674, 30296), (3056, 26509), (3787, 21392), (4328, 18718), (5348, 15148), (7574, 10696), (8656, 9359)]