49920416

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 128701440

約数和(自身を除く): 78781024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 49, 52, 56, 62, 79, 91, 98, 104, 112, 124, 158, 182, 196, 208, 217, 224, 248, 316, 364, 392, 403, 416, 434, 496, 553, 632, 637, 728, 784, 806, 868, 992, 1027, 1106, 1264, 1274, 1456, 1519, 1568, 1612, 1736, 2054, 2212, 2449, 2528, 2548, 2821, 2912, 3038, 3224, 3472, 3871, 4108, 4424, 4898, 5096, 5642, 6076, 6448, 6944, 7189, 7742, 8216, 8848, 9796, 10192, 11284, 12152, 12896, 14378, 15484, 16432, 17143, 17696, 19592, 19747, 20384, 22568, 24304, 28756, 30968, 31837, 32864, 34286, 39184, 39494, 45136, 48608, 50323, 57512, 61936, 63674, 68572, 78368, 78988, 90272, 100646, 115024, 120001, 123872, 127348, 137144, 157976, 201292, 222859, 230048, 240002, 254696, 274288, 315952, 402584, 445718, 480004, 509392, 548576, 631904, 805168, 891436, 960008, 1018784, 1560013, 1610336, 1782872, 1920016, 3120026, 3565744, 3840032, 6240052, 7131488, 12480104, 24960208, 49920416]

約数ペア:

[(1, 49920416), (2, 24960208), (4, 12480104), (7, 7131488), (8, 6240052), (13, 3840032), (14, 3565744), (16, 3120026), (26, 1920016), (28, 1782872), (31, 1610336), (32, 1560013), (49, 1018784), (52, 960008), (56, 891436), (62, 805168), (79, 631904), (91, 548576), (98, 509392), (104, 480004), (112, 445718), (124, 402584), (158, 315952), (182, 274288), (196, 254696), (208, 240002), (217, 230048), (224, 222859), (248, 201292), (316, 157976), (364, 137144), (392, 127348), (403, 123872), (416, 120001), (434, 115024), (496, 100646), (553, 90272), (632, 78988), (637, 78368), (728, 68572), (784, 63674), (806, 61936), (868, 57512), (992, 50323), (1027, 48608), (1106, 45136), (1264, 39494), (1274, 39184), (1456, 34286), (1519, 32864), (1568, 31837), (1612, 30968), (1736, 28756), (2054, 24304), (2212, 22568), (2449, 20384), (2528, 19747), (2548, 19592), (2821, 17696), (2912, 17143), (3038, 16432), (3224, 15484), (3472, 14378), (3871, 12896), (4108, 12152), (4424, 11284), (4898, 10192), (5096, 9796), (5642, 8848), (6076, 8216), (6448, 7742), (6944, 7189)]