220131737

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 266125824

約数和(自身を除く): 45994087

約数列:

[1, 7, 53, 61, 71, 137, 371, 427, 497, 959, 3233, 3763, 4331, 7261, 8357, 9727, 22631, 26341, 30317, 50827, 58499, 68089, 229543, 442921, 515531, 593347, 1606801, 3100447, 3608717, 4153429, 31447391, 220131737]

約数ペア:

[(1, 220131737), (7, 31447391), (53, 4153429), (61, 3608717), (71, 3100447), (137, 1606801), (371, 593347), (427, 515531), (497, 442921), (959, 229543), (3233, 68089), (3763, 58499), (4331, 50827), (7261, 30317), (8357, 26341), (9727, 22631)]