71299312

素因数分解:

$2^4\times 7^2\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:678

約数の個数: 60

約数和(自身を含む): 161857200

約数和(自身を除く): 90557888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 199, 392, 398, 457, 784, 796, 914, 1393, 1592, 1828, 2786, 3184, 3199, 3656, 5572, 6398, 7312, 9751, 11144, 12796, 19502, 22288, 22393, 25592, 39004, 44786, 51184, 78008, 89572, 90943, 156016, 179144, 181886, 358288, 363772, 636601, 727544, 1273202, 1455088, 2546404, 4456207, 5092808, 8912414, 10185616, 17824828, 35649656, 71299312]

約数ペア:

[(1, 71299312), (2, 35649656), (4, 17824828), (7, 10185616), (8, 8912414), (14, 5092808), (16, 4456207), (28, 2546404), (49, 1455088), (56, 1273202), (98, 727544), (112, 636601), (196, 363772), (199, 358288), (392, 181886), (398, 179144), (457, 156016), (784, 90943), (796, 89572), (914, 78008), (1393, 51184), (1592, 44786), (1828, 39004), (2786, 25592), (3184, 22393), (3199, 22288), (3656, 19502), (5572, 12796), (6398, 11144), (7312, 9751)]