127921388

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{587}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 263687424

約数和(自身を除く): 135766036

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 181, 301, 362, 587, 602, 724, 1174, 1204, 1267, 2348, 2534, 4109, 5068, 7783, 8218, 15566, 16436, 25241, 31132, 50482, 54481, 100964, 106247, 108962, 176687, 212494, 217924, 353374, 424988, 706748, 743729, 1487458, 2974916, 4568621, 9137242, 18274484, 31980347, 63960694, 127921388]

約数ペア:

[(1, 127921388), (2, 63960694), (4, 31980347), (7, 18274484), (14, 9137242), (28, 4568621), (43, 2974916), (86, 1487458), (172, 743729), (181, 706748), (301, 424988), (362, 353374), (587, 217924), (602, 212494), (724, 176687), (1174, 108962), (1204, 106247), (1267, 100964), (2348, 54481), (2534, 50482), (4109, 31132), (5068, 25241), (7783, 16436), (8218, 15566)]