28143856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{503}}^1$

素因数の和:793

約数の個数: 40

約数和(自身を含む): 59058720

約数和(自身を除く): 30914864

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 269, 503, 538, 1006, 1076, 2012, 2152, 3497, 4024, 4304, 6539, 6994, 8048, 13078, 13988, 26156, 27976, 52312, 55952, 104624, 135307, 270614, 541228, 1082456, 1758991, 2164912, 3517982, 7035964, 14071928, 28143856]

約数ペア:

[(1, 28143856), (2, 14071928), (4, 7035964), (8, 3517982), (13, 2164912), (16, 1758991), (26, 1082456), (52, 541228), (104, 270614), (208, 135307), (269, 104624), (503, 55952), (538, 52312), (1006, 27976), (1076, 26156), (2012, 13988), (2152, 13078), (3497, 8048), (4024, 6994), (4304, 6539)]