218801968

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:411

約数の個数: 160

約数和(自身を含む): 579391488

約数和(自身を除く): 360589520

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 31, 34, 44, 56, 62, 68, 77, 88, 112, 119, 124, 136, 154, 176, 187, 217, 238, 248, 272, 308, 337, 341, 374, 434, 476, 496, 527, 616, 674, 682, 748, 868, 952, 1054, 1232, 1309, 1348, 1364, 1496, 1736, 1904, 2108, 2359, 2387, 2618, 2696, 2728, 2992, 3472, 3689, 3707, 4216, 4718, 4774, 5236, 5392, 5456, 5729, 5797, 7378, 7414, 8432, 9436, 9548, 10447, 10472, 11458, 11594, 14756, 14828, 18872, 19096, 20894, 20944, 22916, 23188, 25949, 29512, 29656, 37744, 38192, 40103, 40579, 41788, 45832, 46376, 51898, 59024, 59312, 63019, 73129, 80206, 81158, 83576, 91664, 92752, 103796, 114917, 126038, 146258, 160412, 162316, 167152, 177599, 207592, 229834, 252076, 292516, 320824, 324632, 355198, 415184, 441133, 459668, 504152, 585032, 641648, 649264, 710396, 804419, 882266, 919336, 1008304, 1170064, 1243193, 1420792, 1608838, 1764532, 1838672, 1953589, 2486386, 2841584, 3217676, 3529064, 3907178, 4972772, 6435352, 7058128, 7814356, 9945544, 12870704, 13675123, 15628712, 19891088, 27350246, 31257424, 54700492, 109400984, 218801968]

約数ペア:

[(1, 218801968), (2, 109400984), (4, 54700492), (7, 31257424), (8, 27350246), (11, 19891088), (14, 15628712), (16, 13675123), (17, 12870704), (22, 9945544), (28, 7814356), (31, 7058128), (34, 6435352), (44, 4972772), (56, 3907178), (62, 3529064), (68, 3217676), (77, 2841584), (88, 2486386), (112, 1953589), (119, 1838672), (124, 1764532), (136, 1608838), (154, 1420792), (176, 1243193), (187, 1170064), (217, 1008304), (238, 919336), (248, 882266), (272, 804419), (308, 710396), (337, 649264), (341, 641648), (374, 585032), (434, 504152), (476, 459668), (496, 441133), (527, 415184), (616, 355198), (674, 324632), (682, 320824), (748, 292516), (868, 252076), (952, 229834), (1054, 207592), (1232, 177599), (1309, 167152), (1348, 162316), (1364, 160412), (1496, 146258), (1736, 126038), (1904, 114917), (2108, 103796), (2359, 92752), (2387, 91664), (2618, 83576), (2696, 81158), (2728, 80206), (2992, 73129), (3472, 63019), (3689, 59312), (3707, 59024), (4216, 51898), (4718, 46376), (4774, 45832), (5236, 41788), (5392, 40579), (5456, 40103), (5729, 38192), (5797, 37744), (7378, 29656), (7414, 29512), (8432, 25949), (9436, 23188), (9548, 22916), (10447, 20944), (10472, 20894), (11458, 19096), (11594, 18872), (14756, 14828)]