28478352

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:796

約数の個数: 80

約数和(自身を含む): 84851712

約数和(自身を除く): 56373360

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 131, 168, 262, 336, 393, 524, 647, 786, 917, 1048, 1294, 1572, 1834, 1941, 2096, 2588, 2751, 3144, 3668, 3882, 4529, 5176, 5502, 6288, 7336, 7764, 9058, 10352, 11004, 13587, 14672, 15528, 18116, 22008, 27174, 31056, 36232, 44016, 54348, 72464, 84757, 108696, 169514, 217392, 254271, 339028, 508542, 593299, 678056, 1017084, 1186598, 1356112, 1779897, 2034168, 2373196, 3559794, 4068336, 4746392, 7119588, 9492784, 14239176, 28478352]

約数ペア:

[(1, 28478352), (2, 14239176), (3, 9492784), (4, 7119588), (6, 4746392), (7, 4068336), (8, 3559794), (12, 2373196), (14, 2034168), (16, 1779897), (21, 1356112), (24, 1186598), (28, 1017084), (42, 678056), (48, 593299), (56, 508542), (84, 339028), (112, 254271), (131, 217392), (168, 169514), (262, 108696), (336, 84757), (393, 72464), (524, 54348), (647, 44016), (786, 36232), (917, 31056), (1048, 27174), (1294, 22008), (1572, 18116), (1834, 15528), (1941, 14672), (2096, 13587), (2588, 11004), (2751, 10352), (3144, 9058), (3668, 7764), (3882, 7336), (4529, 6288), (5176, 5502)]