28002128

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 73281024

約数和(自身を除く): 45278896

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 49, 56, 68, 77, 88, 98, 112, 119, 136, 154, 176, 187, 191, 196, 238, 272, 308, 374, 382, 392, 476, 539, 616, 748, 764, 784, 833, 952, 1078, 1232, 1309, 1337, 1496, 1528, 1666, 1904, 2101, 2156, 2618, 2674, 2992, 3056, 3247, 3332, 4202, 4312, 5236, 5348, 6494, 6664, 8404, 8624, 9163, 9359, 10472, 10696, 12988, 13328, 14707, 16808, 18326, 18718, 20944, 21392, 22729, 25976, 29414, 33616, 35717, 36652, 37436, 45458, 51952, 58828, 71434, 73304, 74872, 90916, 102949, 117656, 142868, 146608, 149744, 159103, 181832, 205898, 235312, 250019, 285736, 318206, 363664, 411796, 500038, 571472, 636412, 823592, 1000076, 1272824, 1647184, 1750133, 2000152, 2545648, 3500266, 4000304, 7000532, 14001064, 28002128]

約数ペア:

[(1, 28002128), (2, 14001064), (4, 7000532), (7, 4000304), (8, 3500266), (11, 2545648), (14, 2000152), (16, 1750133), (17, 1647184), (22, 1272824), (28, 1000076), (34, 823592), (44, 636412), (49, 571472), (56, 500038), (68, 411796), (77, 363664), (88, 318206), (98, 285736), (112, 250019), (119, 235312), (136, 205898), (154, 181832), (176, 159103), (187, 149744), (191, 146608), (196, 142868), (238, 117656), (272, 102949), (308, 90916), (374, 74872), (382, 73304), (392, 71434), (476, 58828), (539, 51952), (616, 45458), (748, 37436), (764, 36652), (784, 35717), (833, 33616), (952, 29414), (1078, 25976), (1232, 22729), (1309, 21392), (1337, 20944), (1496, 18718), (1528, 18326), (1666, 16808), (1904, 14707), (2101, 13328), (2156, 12988), (2618, 10696), (2674, 10472), (2992, 9359), (3056, 9163), (3247, 8624), (3332, 8404), (4202, 6664), (4312, 6494), (5236, 5348)]