128901976

素因数分解:

$2^3\times 7^1\times {\mathrm{2301821}}^1$

素因数の和:2301834

約数の個数: 16

約数和(自身を含む): 276218640

約数和(自身を除く): 147316664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2301821, 4603642, 9207284, 16112747, 18414568, 32225494, 64450988, 128901976]

約数ペア:

[(1, 128901976), (2, 64450988), (4, 32225494), (7, 18414568), (8, 16112747), (14, 9207284), (28, 4603642), (56, 2301821)]