66981512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{644053}}^1$

素因数の和:644072

約数の個数: 16

約数和(自身を含む): 135251340

約数和(自身を除く): 68269828

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 644053, 1288106, 2576212, 5152424, 8372689, 16745378, 33490756, 66981512]

約数ペア:

[(1, 66981512), (2, 33490756), (4, 16745378), (8, 8372689), (13, 5152424), (26, 2576212), (52, 1288106), (104, 644053)]