221117596

素因数分解:

$2^2\times 7^2\times {\mathrm{1128151}}^1$

素因数の和:1128169

約数の個数: 18

約数和(自身を含む): 450132648

約数和(自身を除く): 229015052

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1128151, 2256302, 4512604, 7897057, 15794114, 31588228, 55279399, 110558798, 221117596]

約数ペア:

[(1, 221117596), (2, 110558798), (4, 55279399), (7, 31588228), (14, 15794114), (28, 7897057), (49, 4512604), (98, 2256302), (196, 1128151)]