28541708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 57788640

約数和(自身を除く): 29246932

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 83, 166, 221, 332, 389, 442, 778, 884, 1079, 1411, 1556, 2158, 2822, 4316, 5057, 5644, 6613, 10114, 13226, 18343, 20228, 26452, 32287, 36686, 64574, 73372, 85969, 129148, 171938, 343876, 419731, 548879, 839462, 1097758, 1678924, 2195516, 7135427, 14270854, 28541708]

約数ペア:

[(1, 28541708), (2, 14270854), (4, 7135427), (13, 2195516), (17, 1678924), (26, 1097758), (34, 839462), (52, 548879), (68, 419731), (83, 343876), (166, 171938), (221, 129148), (332, 85969), (389, 73372), (442, 64574), (778, 36686), (884, 32287), (1079, 26452), (1411, 20228), (1556, 18343), (2158, 13226), (2822, 10114), (4316, 6613), (5057, 5644)]