128545494

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{278237}}^1$

素因数の和:278260

約数の個数: 32

約数和(自身を含む): 320530176

約数和(自身を除く): 191984682

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 278237, 556474, 834711, 1669422, 1947659, 3060607, 3895318, 5842977, 6121214, 9181821, 11685954, 18363642, 21424249, 42848498, 64272747, 128545494]

約数ペア:

[(1, 128545494), (2, 64272747), (3, 42848498), (6, 21424249), (7, 18363642), (11, 11685954), (14, 9181821), (21, 6121214), (22, 5842977), (33, 3895318), (42, 3060607), (66, 1947659), (77, 1669422), (154, 834711), (231, 556474), (462, 278237)]