128840412

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{100343}}^1$

素因数の和:100457

約数の個数: 24

約数和(自身を含む): 303440256

約数和(自身を除く): 174599844

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 100343, 200686, 301029, 401372, 602058, 1204116, 10736701, 21473402, 32210103, 42946804, 64420206, 128840412]

約数ペア:

[(1, 128840412), (2, 64420206), (3, 42946804), (4, 32210103), (6, 21473402), (12, 10736701), (107, 1204116), (214, 602058), (321, 401372), (428, 301029), (642, 200686), (1284, 100343)]