395304848

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{1297}}^1$

素因数の和:1791

約数の個数: 40

約数和(自身を含む): 786089568

約数和(自身を除く): 390784720

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 443, 688, 886, 1297, 1772, 2594, 3544, 5188, 7088, 10376, 19049, 20752, 38098, 55771, 76196, 111542, 152392, 223084, 304784, 446168, 574571, 892336, 1149142, 2298284, 4596568, 9193136, 24706553, 49413106, 98826212, 197652424, 395304848]

約数ペア:

[(1, 395304848), (2, 197652424), (4, 98826212), (8, 49413106), (16, 24706553), (43, 9193136), (86, 4596568), (172, 2298284), (344, 1149142), (443, 892336), (688, 574571), (886, 446168), (1297, 304784), (1772, 223084), (2594, 152392), (3544, 111542), (5188, 76196), (7088, 55771), (10376, 38098), (19049, 20752)]