138820736

素因数分解:

$2^7\times {\mathrm{173}}^1\times {\mathrm{6269}}^1$

素因数の和:6456

約数の個数: 32

約数和(自身を含む): 278199900

約数和(自身を除く): 139379164

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 173, 346, 692, 1384, 2768, 5536, 6269, 11072, 12538, 22144, 25076, 50152, 100304, 200608, 401216, 802432, 1084537, 2169074, 4338148, 8676296, 17352592, 34705184, 69410368, 138820736]

約数ペア:

[(1, 138820736), (2, 69410368), (4, 34705184), (8, 17352592), (16, 8676296), (32, 4338148), (64, 2169074), (128, 1084537), (173, 802432), (346, 401216), (692, 200608), (1384, 100304), (2768, 50152), (5536, 25076), (6269, 22144), (11072, 12538)]