28284872

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 72887040

約数和(自身を除く): 44602168

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 37, 44, 56, 68, 73, 74, 77, 88, 119, 136, 146, 148, 154, 187, 238, 259, 292, 296, 308, 374, 407, 476, 511, 518, 584, 616, 629, 748, 803, 814, 952, 1022, 1036, 1241, 1258, 1309, 1496, 1606, 1628, 2044, 2072, 2482, 2516, 2618, 2701, 2849, 3212, 3256, 4088, 4403, 4964, 5032, 5236, 5402, 5621, 5698, 6424, 6919, 8687, 8806, 9928, 10472, 10804, 11242, 11396, 13651, 13838, 17374, 17612, 18907, 21608, 22484, 22792, 27302, 27676, 29711, 34748, 35224, 37814, 44968, 45917, 48433, 54604, 55352, 59422, 69496, 75628, 91834, 95557, 96866, 109208, 118844, 151256, 183668, 191114, 193732, 207977, 237688, 321419, 367336, 382228, 387464, 415954, 505087, 642838, 764456, 831908, 1010174, 1285676, 1663816, 2020348, 2571352, 3535609, 4040696, 7071218, 14142436, 28284872]

約数ペア:

[(1, 28284872), (2, 14142436), (4, 7071218), (7, 4040696), (8, 3535609), (11, 2571352), (14, 2020348), (17, 1663816), (22, 1285676), (28, 1010174), (34, 831908), (37, 764456), (44, 642838), (56, 505087), (68, 415954), (73, 387464), (74, 382228), (77, 367336), (88, 321419), (119, 237688), (136, 207977), (146, 193732), (148, 191114), (154, 183668), (187, 151256), (238, 118844), (259, 109208), (292, 96866), (296, 95557), (308, 91834), (374, 75628), (407, 69496), (476, 59422), (511, 55352), (518, 54604), (584, 48433), (616, 45917), (629, 44968), (748, 37814), (803, 35224), (814, 34748), (952, 29711), (1022, 27676), (1036, 27302), (1241, 22792), (1258, 22484), (1309, 21608), (1496, 18907), (1606, 17612), (1628, 17374), (2044, 13838), (2072, 13651), (2482, 11396), (2516, 11242), (2618, 10804), (2701, 10472), (2849, 9928), (3212, 8806), (3256, 8687), (4088, 6919), (4403, 6424), (4964, 5698), (5032, 5621), (5236, 5402)]