128568904

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1913}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 249891840

約数和(自身を除く): 121322936

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 271, 542, 1084, 1913, 2168, 3826, 7652, 8401, 15304, 16802, 33604, 59303, 67208, 118606, 237212, 474424, 518423, 1036846, 2073692, 4147384, 16071113, 32142226, 64284452, 128568904]

約数ペア:

[(1, 128568904), (2, 64284452), (4, 32142226), (8, 16071113), (31, 4147384), (62, 2073692), (124, 1036846), (248, 518423), (271, 474424), (542, 237212), (1084, 118606), (1913, 67208), (2168, 59303), (3826, 33604), (7652, 16802), (8401, 15304)]