428452

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 798336

約数和(自身を除く): 369884

約数列:

[1, 2, 4, 43, 47, 53, 86, 94, 106, 172, 188, 212, 2021, 2279, 2491, 4042, 4558, 4982, 8084, 9116, 9964, 107113, 214226, 428452]

約数ペア:

[(1, 428452), (2, 214226), (4, 107113), (43, 9964), (47, 9116), (53, 8084), (86, 4982), (94, 4558), (106, 4042), (172, 2491), (188, 2279), (212, 2021)]