61998290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{69661}}^1$

素因数の和:69757

約数の個数: 16

約数和(自身を含む): 112852440

約数和(自身を除く): 50854150

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 69661, 139322, 348305, 696610, 6199829, 12399658, 30999145, 61998290]

約数ペア:

[(1, 61998290), (2, 30999145), (5, 12399658), (10, 6199829), (89, 696610), (178, 348305), (445, 139322), (890, 69661)]