28047656

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 65923200

約数和(自身を除く): 37875544

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 59, 91, 104, 118, 182, 236, 364, 413, 472, 653, 728, 767, 826, 1306, 1534, 1652, 2612, 3068, 3304, 4571, 5224, 5369, 6136, 8489, 9142, 10738, 16978, 18284, 21476, 33956, 36568, 38527, 42952, 59423, 67912, 77054, 118846, 154108, 237692, 269689, 308216, 475384, 500851, 539378, 1001702, 1078756, 2003404, 2157512, 3505957, 4006808, 7011914, 14023828, 28047656]

約数ペア:

[(1, 28047656), (2, 14023828), (4, 7011914), (7, 4006808), (8, 3505957), (13, 2157512), (14, 2003404), (26, 1078756), (28, 1001702), (52, 539378), (56, 500851), (59, 475384), (91, 308216), (104, 269689), (118, 237692), (182, 154108), (236, 118846), (364, 77054), (413, 67912), (472, 59423), (653, 42952), (728, 38527), (767, 36568), (826, 33956), (1306, 21476), (1534, 18284), (1652, 16978), (2612, 10738), (3068, 9142), (3304, 8489), (4571, 6136), (5224, 5369)]