216671042

素因数分解:

$2^1\times 7^4\times {\mathrm{45121}}^1$

素因数の和:45151

約数の個数: 20

約数和(自身を含む): 379160166

約数和(自身を除く): 162489124

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 45121, 90242, 315847, 631694, 2210929, 4421858, 15476503, 30953006, 108335521, 216671042]

約数ペア:

[(1, 216671042), (2, 108335521), (7, 30953006), (14, 15476503), (49, 4421858), (98, 2210929), (343, 631694), (686, 315847), (2401, 90242), (4802, 45121)]