217633510

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{21961}}^1$

素因数の和:22959

約数の個数: 16

約数和(自身を含む): 392153472

約数和(自身を除く): 174519962

約数列:

[1, 2, 5, 10, 991, 1982, 4955, 9910, 21961, 43922, 109805, 219610, 21763351, 43526702, 108816755, 217633510]

約数ペア:

[(1, 217633510), (2, 108816755), (5, 43526702), (10, 21763351), (991, 219610), (1982, 109805), (4955, 43922), (9910, 21961)]