28520272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1237}}^1$

素因数の和:1387

約数の個数: 40

約数和(自身を含む): 60790752

約数和(自身を除く): 32270480

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 131, 176, 262, 524, 1048, 1237, 1441, 2096, 2474, 2882, 4948, 5764, 9896, 11528, 13607, 19792, 23056, 27214, 54428, 108856, 162047, 217712, 324094, 648188, 1296376, 1782517, 2592752, 3565034, 7130068, 14260136, 28520272]

約数ペア:

[(1, 28520272), (2, 14260136), (4, 7130068), (8, 3565034), (11, 2592752), (16, 1782517), (22, 1296376), (44, 648188), (88, 324094), (131, 217712), (176, 162047), (262, 108856), (524, 54428), (1048, 27214), (1237, 23056), (1441, 19792), (2096, 13607), (2474, 11528), (2882, 9896), (4948, 5764)]