388790815

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{1861}}^1$

素因数の和:2047

約数の個数: 32

約数和(自身を含む): 549126144

約数和(自身を除く): 160335329

約数列:

[1, 5, 7, 35, 47, 127, 235, 329, 635, 889, 1645, 1861, 4445, 5969, 9305, 13027, 29845, 41783, 65135, 87467, 208915, 236347, 437335, 612269, 1181735, 1654429, 3061345, 8272145, 11108309, 55541545, 77758163, 388790815]

約数ペア:

[(1, 388790815), (5, 77758163), (7, 55541545), (35, 11108309), (47, 8272145), (127, 3061345), (235, 1654429), (329, 1181735), (635, 612269), (889, 437335), (1645, 236347), (1861, 208915), (4445, 87467), (5969, 65135), (9305, 41783), (13027, 29845)]