251115498

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{65497}}^1$

素因数の和:65579

約数の個数: 32

約数和(自身を含む): 565902720

約数和(自身を除く): 314787222

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 65497, 130994, 196491, 392982, 589473, 1178946, 1768419, 3536838, 4650287, 9300574, 13950861, 27901722, 41852583, 83705166, 125557749, 251115498]

約数ペア:

[(1, 251115498), (2, 125557749), (3, 83705166), (6, 41852583), (9, 27901722), (18, 13950861), (27, 9300574), (54, 4650287), (71, 3536838), (142, 1768419), (213, 1178946), (426, 589473), (639, 392982), (1278, 196491), (1917, 130994), (3834, 65497)]