9780781668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{116437877}}^1$

素因数の和:116437891

約数の個数: 24

約数和(自身を含む): 26082084672

約数和(自身を除く): 16301303004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 116437877, 232875754, 349313631, 465751508, 698627262, 815065139, 1397254524, 1630130278, 2445195417, 3260260556, 4890390834, 9780781668]

約数ペア:

[(1, 9780781668), (2, 4890390834), (3, 3260260556), (4, 2445195417), (6, 1630130278), (7, 1397254524), (12, 815065139), (14, 698627262), (21, 465751508), (28, 349313631), (42, 232875754), (84, 116437877)]