28724176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{701}}^1$

素因数の和:919

約数の個数: 40

約数和(自身を含む): 60324264

約数和(自身を除く): 31600088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 701, 788, 1402, 1576, 2561, 2804, 3152, 5122, 5608, 9113, 10244, 11216, 18226, 20488, 36452, 40976, 72904, 138097, 145808, 276194, 552388, 1104776, 1795261, 2209552, 3590522, 7181044, 14362088, 28724176]

約数ペア:

[(1, 28724176), (2, 14362088), (4, 7181044), (8, 3590522), (13, 2209552), (16, 1795261), (26, 1104776), (52, 552388), (104, 276194), (197, 145808), (208, 138097), (394, 72904), (701, 40976), (788, 36452), (1402, 20488), (1576, 18226), (2561, 11216), (2804, 10244), (3152, 9113), (5122, 5608)]