197412755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 265628160

約数和(自身を除く): 68215405

約数列:

[1, 5, 17, 19, 85, 95, 251, 323, 487, 1255, 1615, 2435, 4267, 4769, 8279, 9253, 21335, 23845, 41395, 46265, 81073, 122237, 157301, 405365, 611185, 786505, 2078029, 2322503, 10390145, 11612515, 39482551, 197412755]

約数ペア:

[(1, 197412755), (5, 39482551), (17, 11612515), (19, 10390145), (85, 2322503), (95, 2078029), (251, 786505), (323, 611185), (487, 405365), (1255, 157301), (1615, 122237), (2435, 81073), (4267, 46265), (4769, 41395), (8279, 23845), (9253, 21335)]