197771365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1979}}^1$

素因数の和:2097

約数の個数: 32

約数和(自身を含む): 273715200

約数和(自身を除く): 75943835

約数列:

[1, 5, 11, 23, 55, 79, 115, 253, 395, 869, 1265, 1817, 1979, 4345, 9085, 9895, 19987, 21769, 45517, 99935, 108845, 156341, 227585, 500687, 781705, 1719751, 2503435, 3595843, 8598755, 17979215, 39554273, 197771365]

約数ペア:

[(1, 197771365), (5, 39554273), (11, 17979215), (23, 8598755), (55, 3595843), (79, 2503435), (115, 1719751), (253, 781705), (395, 500687), (869, 227585), (1265, 156341), (1817, 108845), (1979, 99935), (4345, 45517), (9085, 21769), (9895, 19987)]