28495404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1549}}^1$

素因数の和:1639

約数の個数: 72

約数和(自身を含む): 83501600

約数和(自身を除く): 55006196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1314, 1533, 1549, 2044, 2628, 3066, 3098, 4599, 4647, 6132, 6196, 9198, 9294, 10843, 13941, 18396, 18588, 21686, 27882, 32529, 43372, 55764, 65058, 97587, 113077, 130116, 195174, 226154, 339231, 390348, 452308, 678462, 791539, 1017693, 1356924, 1583078, 2035386, 2374617, 3166156, 4070772, 4749234, 7123851, 9498468, 14247702, 28495404]

約数ペア:

[(1, 28495404), (2, 14247702), (3, 9498468), (4, 7123851), (6, 4749234), (7, 4070772), (9, 3166156), (12, 2374617), (14, 2035386), (18, 1583078), (21, 1356924), (28, 1017693), (36, 791539), (42, 678462), (63, 452308), (73, 390348), (84, 339231), (126, 226154), (146, 195174), (219, 130116), (252, 113077), (292, 97587), (438, 65058), (511, 55764), (657, 43372), (876, 32529), (1022, 27882), (1314, 21686), (1533, 18588), (1549, 18396), (2044, 13941), (2628, 10843), (3066, 9294), (3098, 9198), (4599, 6196), (4647, 6132)]