28427154

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 69888000

約数和(自身を除く): 41460846

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 343, 399, 686, 727, 798, 931, 1029, 1454, 1862, 2058, 2181, 2793, 4362, 5089, 5586, 6517, 10178, 13034, 13813, 15267, 19551, 27626, 30534, 35623, 39102, 41439, 71246, 82878, 96691, 106869, 193382, 213738, 249361, 290073, 498722, 580146, 676837, 748083, 1353674, 1496166, 2030511, 4061022, 4737859, 9475718, 14213577, 28427154]

約数ペア:

[(1, 28427154), (2, 14213577), (3, 9475718), (6, 4737859), (7, 4061022), (14, 2030511), (19, 1496166), (21, 1353674), (38, 748083), (42, 676837), (49, 580146), (57, 498722), (98, 290073), (114, 249361), (133, 213738), (147, 193382), (266, 106869), (294, 96691), (343, 82878), (399, 71246), (686, 41439), (727, 39102), (798, 35623), (931, 30534), (1029, 27626), (1454, 19551), (1862, 15267), (2058, 13813), (2181, 13034), (2793, 10178), (4362, 6517), (5089, 5586)]