247890456

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:531

約数の個数: 160

約数和(自身を含む): 768398400

約数和(自身を除く): 520507944

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 83, 88, 99, 108, 132, 162, 166, 198, 216, 249, 264, 297, 324, 332, 396, 419, 498, 594, 648, 664, 747, 792, 838, 891, 913, 996, 1188, 1257, 1494, 1676, 1782, 1826, 1992, 2241, 2376, 2514, 2739, 2988, 3352, 3564, 3652, 3771, 4482, 4609, 5028, 5478, 5976, 6723, 7128, 7304, 7542, 8217, 8964, 9218, 10056, 10956, 11313, 13446, 13827, 15084, 16434, 17928, 18436, 21912, 22626, 24651, 26892, 27654, 30168, 32868, 33939, 34777, 36872, 41481, 45252, 49302, 53784, 55308, 65736, 67878, 69554, 73953, 82962, 90504, 98604, 104331, 110616, 124443, 135756, 139108, 147906, 165924, 197208, 208662, 248886, 271512, 278216, 295812, 312993, 331848, 373329, 382547, 417324, 497772, 591624, 625986, 746658, 765094, 834648, 938979, 995544, 1147641, 1251972, 1493316, 1530188, 1877958, 2295282, 2503944, 2816937, 2986632, 3060376, 3442923, 3755916, 4590564, 5633874, 6885846, 7511832, 9181128, 10328769, 11267748, 13771692, 20657538, 22535496, 27543384, 30986307, 41315076, 61972614, 82630152, 123945228, 247890456]

約数ペア:

[(1, 247890456), (2, 123945228), (3, 82630152), (4, 61972614), (6, 41315076), (8, 30986307), (9, 27543384), (11, 22535496), (12, 20657538), (18, 13771692), (22, 11267748), (24, 10328769), (27, 9181128), (33, 7511832), (36, 6885846), (44, 5633874), (54, 4590564), (66, 3755916), (72, 3442923), (81, 3060376), (83, 2986632), (88, 2816937), (99, 2503944), (108, 2295282), (132, 1877958), (162, 1530188), (166, 1493316), (198, 1251972), (216, 1147641), (249, 995544), (264, 938979), (297, 834648), (324, 765094), (332, 746658), (396, 625986), (419, 591624), (498, 497772), (594, 417324), (648, 382547), (664, 373329), (747, 331848), (792, 312993), (838, 295812), (891, 278216), (913, 271512), (996, 248886), (1188, 208662), (1257, 197208), (1494, 165924), (1676, 147906), (1782, 139108), (1826, 135756), (1992, 124443), (2241, 110616), (2376, 104331), (2514, 98604), (2739, 90504), (2988, 82962), (3352, 73953), (3564, 69554), (3652, 67878), (3771, 65736), (4482, 55308), (4609, 53784), (5028, 49302), (5478, 45252), (5976, 41481), (6723, 36872), (7128, 34777), (7304, 33939), (7542, 32868), (8217, 30168), (8964, 27654), (9218, 26892), (10056, 24651), (10956, 22626), (11313, 21912), (13446, 18436), (13827, 17928), (15084, 16434)]