1985566895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{7759}}^1$

素因数の和:7935

約数の個数: 32

約数和(自身を含む): 2669936640

約数和(自身を除く): 684369745

約数列:

[1, 5, 13, 31, 65, 127, 155, 403, 635, 1651, 2015, 3937, 7759, 8255, 19685, 38795, 51181, 100867, 240529, 255905, 504335, 985393, 1202645, 3126877, 4926965, 12810109, 15634385, 30547183, 64050545, 152735915, 397113379, 1985566895]

約数ペア:

[(1, 1985566895), (5, 397113379), (13, 152735915), (31, 64050545), (65, 30547183), (127, 15634385), (155, 12810109), (403, 4926965), (635, 3126877), (1651, 1202645), (2015, 985393), (3937, 504335), (7759, 255905), (8255, 240529), (19685, 100867), (38795, 51181)]