490587344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{54851}}^1$

素因数の和:54915

約数の個数: 40

約数和(自身を含む): 1047453792

約数和(自身を除く): 556866448

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 54851, 109702, 219404, 438808, 713063, 877616, 1426126, 2358593, 2852252, 4717186, 5704504, 9434372, 11409008, 18868744, 30661709, 37737488, 61323418, 122646836, 245293672, 490587344]

約数ペア:

[(1, 490587344), (2, 245293672), (4, 122646836), (8, 61323418), (13, 37737488), (16, 30661709), (26, 18868744), (43, 11409008), (52, 9434372), (86, 5704504), (104, 4717186), (172, 2852252), (208, 2358593), (344, 1426126), (559, 877616), (688, 713063), (1118, 438808), (2236, 219404), (4472, 109702), (8944, 54851)]