128401912

素因数分解:

$2^3\times {\mathrm{571}}^1\times {\mathrm{28109}}^1$

素因数の和:28686

約数の個数: 16

約数和(自身を含む): 241183800

約数和(自身を除く): 112781888

約数列:

[1, 2, 4, 8, 571, 1142, 2284, 4568, 28109, 56218, 112436, 224872, 16050239, 32100478, 64200956, 128401912]

約数ペア:

[(1, 128401912), (2, 64200956), (4, 32100478), (8, 16050239), (571, 224872), (1142, 112436), (2284, 56218), (4568, 28109)]