219238844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{12809}}^1$

素因数の和:13213

約数の個数: 24

約数和(自身を含む): 419655600

約数和(自身を除く): 200416756

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 1556, 4279, 8558, 12809, 17116, 25618, 51236, 140899, 281798, 563596, 4982701, 9965402, 19930804, 54809711, 109619422, 219238844]

約数ペア:

[(1, 219238844), (2, 109619422), (4, 54809711), (11, 19930804), (22, 9965402), (44, 4982701), (389, 563596), (778, 281798), (1556, 140899), (4279, 51236), (8558, 25618), (12809, 17116)]