218920227968

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{4397}}^1\times {\mathrm{29921}}^1$

素因数の和:34345

約数の個数: 64

約数和(自身を含む): 469801132920

約数和(自身を除く): 250880904952

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 4397, 8794, 17588, 29921, 35176, 57161, 59842, 70352, 114322, 119684, 140704, 228644, 239368, 281408, 388973, 457288, 478736, 562816, 777946, 914576, 957472, 1555892, 1829152, 1914944, 3111784, 3658304, 3829888, 6223568, 7316608, 12447136, 24894272, 49788544, 131562637, 263125274, 526250548, 1052501096, 1710314281, 2105002192, 3420628562, 4210004384, 6841257124, 8420008768, 13682514248, 16840017536, 27365028496, 54730056992, 109460113984, 218920227968]

約数ペア:

[(1, 218920227968), (2, 109460113984), (4, 54730056992), (8, 27365028496), (13, 16840017536), (16, 13682514248), (26, 8420008768), (32, 6841257124), (52, 4210004384), (64, 3420628562), (104, 2105002192), (128, 1710314281), (208, 1052501096), (416, 526250548), (832, 263125274), (1664, 131562637), (4397, 49788544), (8794, 24894272), (17588, 12447136), (29921, 7316608), (35176, 6223568), (57161, 3829888), (59842, 3658304), (70352, 3111784), (114322, 1914944), (119684, 1829152), (140704, 1555892), (228644, 957472), (239368, 914576), (281408, 777946), (388973, 562816), (457288, 478736)]