31988990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6763}}^1$

素因数の和:6824

約数の個数: 32

約数和(自身を含む): 64285056

約数和(自身を除く): 32296066

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 6763, 13526, 33815, 67630, 74393, 148786, 290809, 371965, 581618, 743930, 1454045, 2908090, 3198899, 6397798, 15994495, 31988990]

約数ペア:

[(1, 31988990), (2, 15994495), (5, 6397798), (10, 3198899), (11, 2908090), (22, 1454045), (43, 743930), (55, 581618), (86, 371965), (110, 290809), (215, 148786), (430, 74393), (473, 67630), (946, 33815), (2365, 13526), (4730, 6763)]