420317948

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{4801}}^1$

素因数の和:5357

約数の個数: 24

約数和(自身を含む): 754298160

約数和(自身を除く): 333980212

約数列:

[1, 2, 4, 43, 86, 172, 509, 1018, 2036, 4801, 9602, 19204, 21887, 43774, 87548, 206443, 412886, 825772, 2443709, 4887418, 9774836, 105079487, 210158974, 420317948]

約数ペア:

[(1, 420317948), (2, 210158974), (4, 105079487), (43, 9774836), (86, 4887418), (172, 2443709), (509, 825772), (1018, 412886), (2036, 206443), (4801, 87548), (9602, 43774), (19204, 21887)]