81328768

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{5003}}^1$

素因数の和:5144

約数の個数: 32

約数和(自身を含む): 163330560

約数和(自身を除く): 82001792

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 5003, 8128, 10006, 16256, 20012, 40024, 80048, 160096, 320192, 635381, 640384, 1270762, 2541524, 5083048, 10166096, 20332192, 40664384, 81328768]

約数ペア:

[(1, 81328768), (2, 40664384), (4, 20332192), (8, 10166096), (16, 5083048), (32, 2541524), (64, 1270762), (127, 640384), (128, 635381), (254, 320192), (508, 160096), (1016, 80048), (2032, 40024), (4064, 20012), (5003, 16256), (8128, 10006)]