1209538655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{395921}}^1$

素因数の和:395986

約数の個数: 16

約数和(自身を含む): 1596357504

約数和(自身を除く): 386818849

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 395921, 1979605, 5146973, 18608287, 25734865, 93041435, 241907731, 1209538655]

約数ペア:

[(1, 1209538655), (5, 241907731), (13, 93041435), (47, 25734865), (65, 18608287), (235, 5146973), (611, 1979605), (3055, 395921)]