388611726

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{1523}}^1$

素因数の和:1637

約数の個数: 48

約数和(自身を含む): 830860416

約数和(自身を除く): 442248690

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 258, 989, 1523, 1849, 1978, 2967, 3046, 3698, 4569, 5547, 5934, 9138, 11094, 35029, 42527, 65489, 70058, 85054, 105087, 127581, 130978, 196467, 210174, 255162, 392934, 1506247, 2816027, 3012494, 4518741, 5632054, 8448081, 9037482, 16896162, 64768621, 129537242, 194305863, 388611726]

約数ペア:

[(1, 388611726), (2, 194305863), (3, 129537242), (6, 64768621), (23, 16896162), (43, 9037482), (46, 8448081), (69, 5632054), (86, 4518741), (129, 3012494), (138, 2816027), (258, 1506247), (989, 392934), (1523, 255162), (1849, 210174), (1978, 196467), (2967, 130978), (3046, 127581), (3698, 105087), (4569, 85054), (5547, 70058), (5934, 65489), (9138, 42527), (11094, 35029)]