257309712

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2663}}^1$

素因数の和:2749

約数の個数: 120

約数和(自身を含む): 798752448

約数和(自身を除く): 541442736

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 61, 66, 72, 88, 99, 122, 132, 144, 176, 183, 198, 244, 264, 366, 396, 488, 528, 549, 671, 732, 792, 976, 1098, 1342, 1464, 1584, 2013, 2196, 2663, 2684, 2928, 4026, 4392, 5326, 5368, 6039, 7989, 8052, 8784, 10652, 10736, 12078, 15978, 16104, 21304, 23967, 24156, 29293, 31956, 32208, 42608, 47934, 48312, 58586, 63912, 87879, 95868, 96624, 117172, 127824, 162443, 175758, 191736, 234344, 263637, 324886, 351516, 383472, 468688, 487329, 527274, 649772, 703032, 974658, 1054548, 1299544, 1406064, 1461987, 1786873, 1949316, 2109096, 2599088, 2923974, 3573746, 3898632, 4218192, 5360619, 5847948, 7147492, 7797264, 10721238, 11695896, 14294984, 16081857, 21442476, 23391792, 28589968, 32163714, 42884952, 64327428, 85769904, 128654856, 257309712]

約数ペア:

[(1, 257309712), (2, 128654856), (3, 85769904), (4, 64327428), (6, 42884952), (8, 32163714), (9, 28589968), (11, 23391792), (12, 21442476), (16, 16081857), (18, 14294984), (22, 11695896), (24, 10721238), (33, 7797264), (36, 7147492), (44, 5847948), (48, 5360619), (61, 4218192), (66, 3898632), (72, 3573746), (88, 2923974), (99, 2599088), (122, 2109096), (132, 1949316), (144, 1786873), (176, 1461987), (183, 1406064), (198, 1299544), (244, 1054548), (264, 974658), (366, 703032), (396, 649772), (488, 527274), (528, 487329), (549, 468688), (671, 383472), (732, 351516), (792, 324886), (976, 263637), (1098, 234344), (1342, 191736), (1464, 175758), (1584, 162443), (2013, 127824), (2196, 117172), (2663, 96624), (2684, 95868), (2928, 87879), (4026, 63912), (4392, 58586), (5326, 48312), (5368, 47934), (6039, 42608), (7989, 32208), (8052, 31956), (8784, 29293), (10652, 24156), (10736, 23967), (12078, 21304), (15978, 16104)]