2558045217

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{67411}}^1$

素因数の和:67573

約数の個数: 32

約数和(自身を含む): 4228080640

約数和(自身を除く): 1670035423

約数列:

[1, 3, 7, 13, 21, 39, 91, 139, 273, 417, 973, 1807, 2919, 5421, 12649, 37947, 67411, 202233, 471877, 876343, 1415631, 2629029, 6134401, 9370129, 18403203, 28110387, 65590903, 121811677, 196772709, 365435031, 852681739, 2558045217]

約数ペア:

[(1, 2558045217), (3, 852681739), (7, 365435031), (13, 196772709), (21, 121811677), (39, 65590903), (91, 28110387), (139, 18403203), (273, 9370129), (417, 6134401), (973, 2629029), (1807, 1415631), (2919, 876343), (5421, 471877), (12649, 202233), (37947, 67411)]