129887536

素因数分解:

$2^4\times {\mathrm{1021}}^1\times {\mathrm{7951}}^1$

素因数の和:8980

約数の個数: 20

約数和(自身を含む): 251935264

約数和(自身を除く): 122047728

約数列:

[1, 2, 4, 8, 16, 1021, 2042, 4084, 7951, 8168, 15902, 16336, 31804, 63608, 127216, 8117971, 16235942, 32471884, 64943768, 129887536]

約数ペア:

[(1, 129887536), (2, 64943768), (4, 32471884), (8, 16235942), (16, 8117971), (1021, 127216), (2042, 63608), (4084, 31804), (7951, 16336), (8168, 15902)]