28987387

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 35417088

約数和(自身を除く): 6429701

約数列:

[1, 11, 13, 31, 143, 169, 341, 403, 503, 1859, 4433, 5239, 5533, 6539, 15593, 57629, 71929, 85007, 171523, 202709, 935077, 2229799, 2635217, 28987387]

約数ペア:

[(1, 28987387), (11, 2635217), (13, 2229799), (31, 935077), (143, 202709), (169, 171523), (341, 85007), (403, 71929), (503, 57629), (1859, 15593), (4433, 6539), (5239, 5533)]