28514668

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:100

約数の個数: 108

約数和(自身を含む): 68104512

約数和(自身を除く): 39589844

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 49, 52, 62, 76, 91, 98, 124, 133, 182, 196, 217, 247, 266, 361, 364, 403, 434, 494, 532, 589, 637, 722, 806, 868, 931, 988, 1178, 1274, 1444, 1519, 1612, 1729, 1862, 2356, 2527, 2548, 2821, 3038, 3458, 3724, 4123, 4693, 5054, 5642, 6076, 6916, 7657, 8246, 9386, 10108, 11191, 11284, 12103, 15314, 16492, 17689, 18772, 19747, 22382, 24206, 28861, 30628, 32851, 35378, 39494, 44764, 48412, 53599, 57722, 65702, 70756, 78337, 78988, 107198, 115444, 131404, 145483, 156674, 214396, 229957, 290966, 313348, 375193, 459914, 548359, 581932, 750386, 919828, 1018381, 1096718, 1500772, 2036762, 2193436, 4073524, 7128667, 14257334, 28514668]

約数ペア:

[(1, 28514668), (2, 14257334), (4, 7128667), (7, 4073524), (13, 2193436), (14, 2036762), (19, 1500772), (26, 1096718), (28, 1018381), (31, 919828), (38, 750386), (49, 581932), (52, 548359), (62, 459914), (76, 375193), (91, 313348), (98, 290966), (124, 229957), (133, 214396), (182, 156674), (196, 145483), (217, 131404), (247, 115444), (266, 107198), (361, 78988), (364, 78337), (403, 70756), (434, 65702), (494, 57722), (532, 53599), (589, 48412), (637, 44764), (722, 39494), (806, 35378), (868, 32851), (931, 30628), (988, 28861), (1178, 24206), (1274, 22382), (1444, 19747), (1519, 18772), (1612, 17689), (1729, 16492), (1862, 15314), (2356, 12103), (2527, 11284), (2548, 11191), (2821, 10108), (3038, 9386), (3458, 8246), (3724, 7657), (4123, 6916), (4693, 6076), (5054, 5642)]