7639212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 20518400

約数和(自身を除く): 12879188

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 199, 398, 457, 597, 796, 914, 1194, 1371, 1393, 1828, 2388, 2742, 2786, 3199, 4179, 5484, 5572, 6398, 8358, 9597, 12796, 16716, 19194, 38388, 90943, 181886, 272829, 363772, 545658, 636601, 1091316, 1273202, 1909803, 2546404, 3819606, 7639212]

約数ペア:

[(1, 7639212), (2, 3819606), (3, 2546404), (4, 1909803), (6, 1273202), (7, 1091316), (12, 636601), (14, 545658), (21, 363772), (28, 272829), (42, 181886), (84, 90943), (199, 38388), (398, 19194), (457, 16716), (597, 12796), (796, 9597), (914, 8358), (1194, 6398), (1371, 5572), (1393, 5484), (1828, 4179), (2388, 3199), (2742, 2786)]