81410792

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{1049}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 155925000

約数和(自身を除く): 74514208

約数列:

[1, 2, 4, 8, 89, 109, 178, 218, 356, 436, 712, 872, 1049, 2098, 4196, 8392, 9701, 19402, 38804, 77608, 93361, 114341, 186722, 228682, 373444, 457364, 746888, 914728, 10176349, 20352698, 40705396, 81410792]

約数ペア:

[(1, 81410792), (2, 40705396), (4, 20352698), (8, 10176349), (89, 914728), (109, 746888), (178, 457364), (218, 373444), (356, 228682), (436, 186722), (712, 114341), (872, 93361), (1049, 77608), (2098, 38804), (4196, 19402), (8392, 9701)]