3980122804

素因数分解:

$2^2\times 7^2\times {\mathrm{20306749}}^1$

素因数の和:20306767

約数の個数: 18

約数和(自身を含む): 8102393250

約数和(自身を除く): 4122270446

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 20306749, 40613498, 81226996, 142147243, 284294486, 568588972, 995030701, 1990061402, 3980122804]

約数ペア:

[(1, 3980122804), (2, 1990061402), (4, 995030701), (7, 568588972), (14, 284294486), (28, 142147243), (49, 81226996), (98, 40613498), (196, 20306749)]