128425216

素因数分解:

$2^8\times {\mathrm{239}}^1\times {\mathrm{2099}}^1$

素因数の和:2354

約数の個数: 36

約数和(自身を含む): 257544000

約数和(自身を除く): 129118784

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 239, 256, 478, 956, 1912, 2099, 3824, 4198, 7648, 8396, 15296, 16792, 30592, 33584, 61184, 67168, 134336, 268672, 501661, 537344, 1003322, 2006644, 4013288, 8026576, 16053152, 32106304, 64212608, 128425216]

約数ペア:

[(1, 128425216), (2, 64212608), (4, 32106304), (8, 16053152), (16, 8026576), (32, 4013288), (64, 2006644), (128, 1003322), (239, 537344), (256, 501661), (478, 268672), (956, 134336), (1912, 67168), (2099, 61184), (3824, 33584), (4198, 30592), (7648, 16792), (8396, 15296)]