218545684

素因数分解:

$2^2\times 7^2\times {\mathrm{1115029}}^1$

素因数の和:1115047

約数の個数: 18

約数和(自身を含む): 444896970

約数和(自身を除く): 226351286

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1115029, 2230058, 4460116, 7805203, 15610406, 31220812, 54636421, 109272842, 218545684]

約数ペア:

[(1, 218545684), (2, 109272842), (4, 54636421), (7, 31220812), (14, 15610406), (28, 7805203), (49, 4460116), (98, 2230058), (196, 1115029)]