31531808

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 78962688

約数和(自身を除く): 47430880

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 67, 77, 88, 112, 134, 154, 176, 191, 224, 268, 308, 352, 382, 469, 536, 616, 737, 764, 938, 1072, 1232, 1337, 1474, 1528, 1876, 2101, 2144, 2464, 2674, 2948, 3056, 3752, 4202, 5159, 5348, 5896, 6112, 7504, 8404, 10318, 10696, 11792, 12797, 14707, 15008, 16808, 20636, 21392, 23584, 25594, 29414, 33616, 41272, 42784, 51188, 58828, 67232, 82544, 89579, 102376, 117656, 140767, 165088, 179158, 204752, 235312, 281534, 358316, 409504, 470624, 563068, 716632, 985369, 1126136, 1433264, 1970738, 2252272, 2866528, 3941476, 4504544, 7882952, 15765904, 31531808]

約数ペア:

[(1, 31531808), (2, 15765904), (4, 7882952), (7, 4504544), (8, 3941476), (11, 2866528), (14, 2252272), (16, 1970738), (22, 1433264), (28, 1126136), (32, 985369), (44, 716632), (56, 563068), (67, 470624), (77, 409504), (88, 358316), (112, 281534), (134, 235312), (154, 204752), (176, 179158), (191, 165088), (224, 140767), (268, 117656), (308, 102376), (352, 89579), (382, 82544), (469, 67232), (536, 58828), (616, 51188), (737, 42784), (764, 41272), (938, 33616), (1072, 29414), (1232, 25594), (1337, 23584), (1474, 21392), (1528, 20636), (1876, 16808), (2101, 15008), (2144, 14707), (2464, 12797), (2674, 11792), (2948, 10696), (3056, 10318), (3752, 8404), (4202, 7504), (5159, 6112), (5348, 5896)]