128385306

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1018931}}^1$

素因数の和:1018946

約数の個数: 24

約数和(自身を含む): 317906784

約数和(自身を除く): 189521478

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1018931, 2037862, 3056793, 6113586, 7132517, 9170379, 14265034, 18340758, 21397551, 42795102, 64192653, 128385306]

約数ペア:

[(1, 128385306), (2, 64192653), (3, 42795102), (6, 21397551), (7, 18340758), (9, 14265034), (14, 9170379), (18, 7132517), (21, 6113586), (42, 3056793), (63, 2037862), (126, 1018931)]