128742128

素因数分解:

$2^4\times {\mathrm{1129}}^1\times {\mathrm{7127}}^1$

素因数の和:8264

約数の個数: 20

約数和(自身を含む): 249693840

約数和(自身を除く): 120951712

約数列:

[1, 2, 4, 8, 16, 1129, 2258, 4516, 7127, 9032, 14254, 18064, 28508, 57016, 114032, 8046383, 16092766, 32185532, 64371064, 128742128]

約数ペア:

[(1, 128742128), (2, 64371064), (4, 32185532), (8, 16092766), (16, 8046383), (1129, 114032), (2258, 57016), (4516, 28508), (7127, 18064), (9032, 14254)]