28138404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{733}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 75302528

約数和(自身を除く): 47164124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 457, 733, 914, 1371, 1466, 1828, 2199, 2742, 2932, 3199, 4398, 5131, 5484, 6398, 8796, 9597, 10262, 12796, 15393, 19194, 20524, 30786, 38388, 61572, 334981, 669962, 1004943, 1339924, 2009886, 2344867, 4019772, 4689734, 7034601, 9379468, 14069202, 28138404]

約数ペア:

[(1, 28138404), (2, 14069202), (3, 9379468), (4, 7034601), (6, 4689734), (7, 4019772), (12, 2344867), (14, 2009886), (21, 1339924), (28, 1004943), (42, 669962), (84, 334981), (457, 61572), (733, 38388), (914, 30786), (1371, 20524), (1466, 19194), (1828, 15393), (2199, 12796), (2742, 10262), (2932, 9597), (3199, 8796), (4398, 6398), (5131, 5484)]