25901226

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1651

約数の個数: 48

約数和(自身を含む): 61326720

約数和(自身を除く): 35425494

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1559, 1846, 2769, 3118, 4677, 5538, 8307, 9354, 14031, 16614, 20267, 28062, 40534, 60801, 110689, 121602, 182403, 221378, 332067, 364806, 664134, 996201, 1438957, 1992402, 2877914, 4316871, 8633742, 12950613, 25901226]

約数ペア:

[(1, 25901226), (2, 12950613), (3, 8633742), (6, 4316871), (9, 2877914), (13, 1992402), (18, 1438957), (26, 996201), (39, 664134), (71, 364806), (78, 332067), (117, 221378), (142, 182403), (213, 121602), (234, 110689), (426, 60801), (639, 40534), (923, 28062), (1278, 20267), (1559, 16614), (1846, 14031), (2769, 9354), (3118, 8307), (4677, 5538)]