128813152

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{23819}}^1$

素因数の和:23855

約数の個数: 36

約数和(自身を含む): 274620780

約数和(自身を除く): 145807628

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 23819, 47638, 95276, 190552, 309647, 381104, 619294, 762208, 1238588, 2477176, 4025411, 4954352, 8050822, 9908704, 16101644, 32203288, 64406576, 128813152]

約数ペア:

[(1, 128813152), (2, 64406576), (4, 32203288), (8, 16101644), (13, 9908704), (16, 8050822), (26, 4954352), (32, 4025411), (52, 2477176), (104, 1238588), (169, 762208), (208, 619294), (338, 381104), (416, 309647), (676, 190552), (1352, 95276), (2704, 47638), (5408, 23819)]