128027504

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{2339}}^1$

素因数の和:2669

約数の個数: 40

約数和(自身を含む): 271589760

約数和(自身を除く): 143562256

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 311, 622, 1244, 2339, 2488, 3421, 4678, 4976, 6842, 9356, 13684, 18712, 25729, 27368, 37424, 51458, 54736, 102916, 205832, 411664, 727429, 1454858, 2909716, 5819432, 8001719, 11638864, 16003438, 32006876, 64013752, 128027504]

約数ペア:

[(1, 128027504), (2, 64013752), (4, 32006876), (8, 16003438), (11, 11638864), (16, 8001719), (22, 5819432), (44, 2909716), (88, 1454858), (176, 727429), (311, 411664), (622, 205832), (1244, 102916), (2339, 54736), (2488, 51458), (3421, 37424), (4678, 27368), (4976, 25729), (6842, 18712), (9356, 13684)]