128841808

素因数分解:

$2^4\times {\mathrm{379}}^1\times {\mathrm{21247}}^1$

素因数の和:21634

約数の個数: 20

約数和(自身を含む): 250301440

約数和(自身を除く): 121459632

約数列:

[1, 2, 4, 8, 16, 379, 758, 1516, 3032, 6064, 21247, 42494, 84988, 169976, 339952, 8052613, 16105226, 32210452, 64420904, 128841808]

約数ペア:

[(1, 128841808), (2, 64420904), (4, 32210452), (8, 16105226), (16, 8052613), (379, 339952), (758, 169976), (1516, 84988), (3032, 42494), (6064, 21247)]