321989305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{254537}}^1$

素因数の和:254576

約数の個数: 16

約数和(自身を含む): 439841664

約数和(自身を除く): 117852359

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 254537, 1272685, 2799907, 5854351, 13999535, 29271755, 64397861, 321989305]

約数ペア:

[(1, 321989305), (5, 64397861), (11, 29271755), (23, 13999535), (55, 5854351), (115, 2799907), (253, 1272685), (1265, 254537)]