28980848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{503}}^1$

素因数の和:801

約数の個数: 40

約数和(自身を含む): 60808608

約数和(自身を除く): 31827760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 277, 503, 554, 1006, 1108, 2012, 2216, 3601, 4024, 4432, 6539, 7202, 8048, 13078, 14404, 26156, 28808, 52312, 57616, 104624, 139331, 278662, 557324, 1114648, 1811303, 2229296, 3622606, 7245212, 14490424, 28980848]

約数ペア:

[(1, 28980848), (2, 14490424), (4, 7245212), (8, 3622606), (13, 2229296), (16, 1811303), (26, 1114648), (52, 557324), (104, 278662), (208, 139331), (277, 104624), (503, 57616), (554, 52312), (1006, 28808), (1108, 26156), (2012, 14404), (2216, 13078), (3601, 8048), (4024, 7202), (4432, 6539)]