281639356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{929}}^1\times {\mathrm{3989}}^1$

素因数の和:4941

約数の個数: 24

約数和(自身を含む): 519498000

約数和(自身を除く): 237858644

約数列:

[1, 2, 4, 19, 38, 76, 929, 1858, 3716, 3989, 7978, 15956, 17651, 35302, 70604, 75791, 151582, 303164, 3705781, 7411562, 14823124, 70409839, 140819678, 281639356]

約数ペア:

[(1, 281639356), (2, 140819678), (4, 70409839), (19, 14823124), (38, 7411562), (76, 3705781), (929, 303164), (1858, 151582), (3716, 75791), (3989, 70604), (7978, 35302), (15956, 17651)]