164861495

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{271}}^1\times {\mathrm{421}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 211432128

約数和(自身を除く): 46570633

約数列:

[1, 5, 17, 85, 271, 289, 421, 1355, 1445, 2105, 4607, 7157, 23035, 35785, 78319, 114091, 121669, 391595, 570455, 608345, 1939547, 9697735, 32972299, 164861495]

約数ペア:

[(1, 164861495), (5, 32972299), (17, 9697735), (85, 1939547), (271, 608345), (289, 570455), (421, 391595), (1355, 121669), (1445, 114091), (2105, 78319), (4607, 35785), (7157, 23035)]