263687736

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 741888000

約数和(自身を除く): 478200264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 137, 156, 186, 199, 248, 274, 312, 372, 398, 403, 411, 548, 597, 744, 796, 806, 822, 1096, 1194, 1209, 1592, 1612, 1644, 1781, 2388, 2418, 2587, 3224, 3288, 3562, 4247, 4776, 4836, 5174, 5343, 6169, 7124, 7761, 8494, 9672, 10348, 10686, 12338, 12741, 14248, 15522, 16988, 18507, 20696, 21372, 24676, 25482, 27263, 31044, 33976, 37014, 42744, 49352, 50964, 54526, 55211, 62088, 74028, 80197, 81789, 101928, 109052, 110422, 148056, 160394, 163578, 165633, 218104, 220844, 240591, 320788, 327156, 331266, 354419, 441688, 481182, 641576, 654312, 662532, 708838, 845153, 962364, 1063257, 1325064, 1417676, 1690306, 1924728, 2126514, 2535459, 2835352, 3380612, 4253028, 5070918, 6761224, 8506056, 10141836, 10986989, 20283672, 21973978, 32960967, 43947956, 65921934, 87895912, 131843868, 263687736]

約数ペア:

[(1, 263687736), (2, 131843868), (3, 87895912), (4, 65921934), (6, 43947956), (8, 32960967), (12, 21973978), (13, 20283672), (24, 10986989), (26, 10141836), (31, 8506056), (39, 6761224), (52, 5070918), (62, 4253028), (78, 3380612), (93, 2835352), (104, 2535459), (124, 2126514), (137, 1924728), (156, 1690306), (186, 1417676), (199, 1325064), (248, 1063257), (274, 962364), (312, 845153), (372, 708838), (398, 662532), (403, 654312), (411, 641576), (548, 481182), (597, 441688), (744, 354419), (796, 331266), (806, 327156), (822, 320788), (1096, 240591), (1194, 220844), (1209, 218104), (1592, 165633), (1612, 163578), (1644, 160394), (1781, 148056), (2388, 110422), (2418, 109052), (2587, 101928), (3224, 81789), (3288, 80197), (3562, 74028), (4247, 62088), (4776, 55211), (4836, 54526), (5174, 50964), (5343, 49352), (6169, 42744), (7124, 37014), (7761, 33976), (8494, 31044), (9672, 27263), (10348, 25482), (10686, 24676), (12338, 21372), (12741, 20696), (14248, 18507), (15522, 16988)]