217405364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{1759}}^1$

素因数の和:1880

約数の個数: 36

約数和(自身を含む): 423265920

約数和(自身を除く): 205860556

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 1759, 2332, 2809, 3518, 5618, 7036, 11236, 19349, 30899, 38698, 61798, 77396, 93227, 123596, 186454, 372908, 1025497, 2050994, 4101988, 4941031, 9882062, 19764124, 54351341, 108702682, 217405364]

約数ペア:

[(1, 217405364), (2, 108702682), (4, 54351341), (11, 19764124), (22, 9882062), (44, 4941031), (53, 4101988), (106, 2050994), (212, 1025497), (583, 372908), (1166, 186454), (1759, 123596), (2332, 93227), (2809, 77396), (3518, 61798), (5618, 38698), (7036, 30899), (11236, 19349)]