217360528

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:453

約数の個数: 120

約数和(自身を含む): 542784704

約数和(自身を除く): 325424176

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 43, 44, 56, 77, 86, 88, 112, 121, 154, 172, 176, 242, 301, 308, 344, 373, 473, 484, 602, 616, 688, 746, 847, 946, 968, 1204, 1232, 1492, 1694, 1892, 1936, 2408, 2611, 2984, 3311, 3388, 3784, 4103, 4816, 5203, 5222, 5968, 6622, 6776, 7568, 8206, 10406, 10444, 13244, 13552, 16039, 16412, 20812, 20888, 26488, 28721, 32078, 32824, 36421, 41624, 41776, 45133, 52976, 57442, 64156, 65648, 72842, 83248, 90266, 112273, 114884, 128312, 145684, 176429, 180532, 224546, 229768, 256624, 291368, 315931, 352858, 361064, 449092, 459536, 582736, 631862, 705716, 722128, 898184, 1235003, 1263724, 1411432, 1796368, 1940719, 2470006, 2527448, 2822864, 3881438, 4940012, 5054896, 7762876, 9880024, 13585033, 15525752, 19760048, 27170066, 31051504, 54340132, 108680264, 217360528]

約数ペア:

[(1, 217360528), (2, 108680264), (4, 54340132), (7, 31051504), (8, 27170066), (11, 19760048), (14, 15525752), (16, 13585033), (22, 9880024), (28, 7762876), (43, 5054896), (44, 4940012), (56, 3881438), (77, 2822864), (86, 2527448), (88, 2470006), (112, 1940719), (121, 1796368), (154, 1411432), (172, 1263724), (176, 1235003), (242, 898184), (301, 722128), (308, 705716), (344, 631862), (373, 582736), (473, 459536), (484, 449092), (602, 361064), (616, 352858), (688, 315931), (746, 291368), (847, 256624), (946, 229768), (968, 224546), (1204, 180532), (1232, 176429), (1492, 145684), (1694, 128312), (1892, 114884), (1936, 112273), (2408, 90266), (2611, 83248), (2984, 72842), (3311, 65648), (3388, 64156), (3784, 57442), (4103, 52976), (4816, 45133), (5203, 41776), (5222, 41624), (5968, 36421), (6622, 32824), (6776, 32078), (7568, 28721), (8206, 26488), (10406, 20888), (10444, 20812), (13244, 16412), (13552, 16039)]