86981908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53959}}^1$

素因数の和:54007

約数の個数: 24

約数和(自身を含む): 169218560

約数和(自身を除く): 82236652

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 53959, 107918, 215836, 701467, 1402934, 1672729, 2805868, 3345458, 6690916, 21745477, 43490954, 86981908]

約数ペア:

[(1, 86981908), (2, 43490954), (4, 21745477), (13, 6690916), (26, 3345458), (31, 2805868), (52, 1672729), (62, 1402934), (124, 701467), (403, 215836), (806, 107918), (1612, 53959)]