128901952

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{15859}}^1$

素因数の和:15998

約数の個数: 28

約数和(自身を含む): 257820160

約数和(自身を除く): 128918208

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064, 8128, 15859, 31718, 63436, 126872, 253744, 507488, 1014976, 2014093, 4028186, 8056372, 16112744, 32225488, 64450976, 128901952]

約数ペア:

[(1, 128901952), (2, 64450976), (4, 32225488), (8, 16112744), (16, 8056372), (32, 4028186), (64, 2014093), (127, 1014976), (254, 507488), (508, 253744), (1016, 126872), (2032, 63436), (4064, 31718), (8128, 15859)]