208738376

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:715

約数の個数: 128

約数和(自身を含む): 534159360

約数和(自身を除く): 325420984

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 31, 34, 44, 56, 62, 68, 77, 88, 119, 124, 136, 154, 187, 217, 238, 248, 308, 341, 374, 434, 476, 527, 616, 643, 682, 748, 868, 952, 1054, 1286, 1309, 1364, 1496, 1736, 2108, 2387, 2572, 2618, 2728, 3689, 4216, 4501, 4774, 5144, 5236, 5797, 7073, 7378, 9002, 9548, 10472, 10931, 11594, 14146, 14756, 18004, 19096, 19933, 21862, 23188, 28292, 29512, 36008, 39866, 40579, 43724, 46376, 49511, 56584, 76517, 79732, 81158, 87448, 99022, 120241, 139531, 153034, 159464, 162316, 198044, 219263, 240482, 279062, 306068, 324632, 338861, 396088, 438526, 480964, 558124, 612136, 677722, 841687, 877052, 961928, 1116248, 1355444, 1534841, 1683374, 1754104, 2372027, 2710888, 3069682, 3366748, 3727471, 4744054, 6139364, 6733496, 7454942, 9488108, 12278728, 14909884, 18976216, 26092297, 29819768, 52184594, 104369188, 208738376]

約数ペア:

[(1, 208738376), (2, 104369188), (4, 52184594), (7, 29819768), (8, 26092297), (11, 18976216), (14, 14909884), (17, 12278728), (22, 9488108), (28, 7454942), (31, 6733496), (34, 6139364), (44, 4744054), (56, 3727471), (62, 3366748), (68, 3069682), (77, 2710888), (88, 2372027), (119, 1754104), (124, 1683374), (136, 1534841), (154, 1355444), (187, 1116248), (217, 961928), (238, 877052), (248, 841687), (308, 677722), (341, 612136), (374, 558124), (434, 480964), (476, 438526), (527, 396088), (616, 338861), (643, 324632), (682, 306068), (748, 279062), (868, 240482), (952, 219263), (1054, 198044), (1286, 162316), (1309, 159464), (1364, 153034), (1496, 139531), (1736, 120241), (2108, 99022), (2387, 87448), (2572, 81158), (2618, 79732), (2728, 76517), (3689, 56584), (4216, 49511), (4501, 46376), (4774, 43724), (5144, 40579), (5236, 39866), (5797, 36008), (7073, 29512), (7378, 28292), (9002, 23188), (9548, 21862), (10472, 19933), (10931, 19096), (11594, 18004), (14146, 14756)]