3980912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19139}}^1$

素因数の和:19160

約数の個数: 20

約数和(自身を含む): 8306760

約数和(自身を除く): 4325848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 19139, 38278, 76556, 153112, 248807, 306224, 497614, 995228, 1990456, 3980912]

約数ペア:

[(1, 3980912), (2, 1990456), (4, 995228), (8, 497614), (13, 306224), (16, 248807), (26, 153112), (52, 76556), (104, 38278), (208, 19139)]