221136272

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 160

約数和(自身を含む): 552321792

約数和(自身を除く): 331185520

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 37, 43, 56, 68, 73, 74, 86, 112, 119, 136, 146, 148, 172, 238, 259, 272, 292, 296, 301, 344, 476, 511, 518, 584, 592, 602, 629, 688, 731, 952, 1022, 1036, 1168, 1204, 1241, 1258, 1462, 1591, 1904, 2044, 2072, 2408, 2482, 2516, 2701, 2924, 3139, 3182, 4088, 4144, 4403, 4816, 4964, 5032, 5117, 5402, 5848, 6278, 6364, 8176, 8687, 8806, 9928, 10064, 10234, 10804, 11137, 11696, 12556, 12728, 17374, 17612, 18907, 19856, 20468, 21608, 21973, 22274, 25112, 25456, 27047, 34748, 35224, 37814, 40936, 43216, 43946, 44548, 45917, 50224, 53363, 54094, 69496, 70448, 75628, 81872, 87892, 89096, 91834, 106726, 108188, 116143, 138992, 151256, 175784, 178192, 183668, 189329, 213452, 216376, 232286, 302512, 321419, 351568, 367336, 373541, 378658, 426904, 432752, 464572, 642838, 734672, 747082, 757316, 813001, 853808, 929144, 1285676, 1494164, 1514632, 1626002, 1858288, 1974431, 2571352, 2988328, 3029264, 3252004, 3948862, 5142704, 5976656, 6504008, 7897724, 13008016, 13821017, 15795448, 27642034, 31590896, 55284068, 110568136, 221136272]

約数ペア:

[(1, 221136272), (2, 110568136), (4, 55284068), (7, 31590896), (8, 27642034), (14, 15795448), (16, 13821017), (17, 13008016), (28, 7897724), (34, 6504008), (37, 5976656), (43, 5142704), (56, 3948862), (68, 3252004), (73, 3029264), (74, 2988328), (86, 2571352), (112, 1974431), (119, 1858288), (136, 1626002), (146, 1514632), (148, 1494164), (172, 1285676), (238, 929144), (259, 853808), (272, 813001), (292, 757316), (296, 747082), (301, 734672), (344, 642838), (476, 464572), (511, 432752), (518, 426904), (584, 378658), (592, 373541), (602, 367336), (629, 351568), (688, 321419), (731, 302512), (952, 232286), (1022, 216376), (1036, 213452), (1168, 189329), (1204, 183668), (1241, 178192), (1258, 175784), (1462, 151256), (1591, 138992), (1904, 116143), (2044, 108188), (2072, 106726), (2408, 91834), (2482, 89096), (2516, 87892), (2701, 81872), (2924, 75628), (3139, 70448), (3182, 69496), (4088, 54094), (4144, 53363), (4403, 50224), (4816, 45917), (4964, 44548), (5032, 43946), (5117, 43216), (5402, 40936), (5848, 37814), (6278, 35224), (6364, 34748), (8176, 27047), (8687, 25456), (8806, 25112), (9928, 22274), (10064, 21973), (10234, 21608), (10804, 20468), (11137, 19856), (11696, 18907), (12556, 17612), (12728, 17374)]