380971568

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{218447}}^1$

素因数の和:218564

約数の個数: 20

約数和(自身を含む): 744907680

約数和(自身を除く): 363936112

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 218447, 436894, 873788, 1747576, 3495152, 23810723, 47621446, 95242892, 190485784, 380971568]

約数ペア:

[(1, 380971568), (2, 190485784), (4, 95242892), (8, 47621446), (16, 23810723), (109, 3495152), (218, 1747576), (436, 873788), (872, 436894), (1744, 218447)]