81178814

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{13217}}^1$

素因数の和:13339

約数の個数: 16

約数和(自身を含む): 126575568

約数和(自身を除く): 45396754

約数列:

[1, 2, 37, 74, 83, 166, 3071, 6142, 13217, 26434, 489029, 978058, 1097011, 2194022, 40589407, 81178814]

約数ペア:

[(1, 81178814), (2, 40589407), (37, 2194022), (74, 1097011), (83, 978058), (166, 489029), (3071, 26434), (6142, 13217)]