1780000885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{3037}}^1$

素因数の和:3253

約数の個数: 32

約数和(自身を含む): 2351849472

約数和(自身を除く): 571848587

約数列:

[1, 5, 13, 65, 71, 127, 355, 635, 923, 1651, 3037, 4615, 8255, 9017, 15185, 39481, 45085, 117221, 197405, 215627, 385699, 586105, 1078135, 1928495, 2803151, 5014087, 14015755, 25070435, 27384629, 136923145, 356000177, 1780000885]

約数ペア:

[(1, 1780000885), (5, 356000177), (13, 136923145), (65, 27384629), (71, 25070435), (127, 14015755), (355, 5014087), (635, 2803151), (923, 1928495), (1651, 1078135), (3037, 586105), (4615, 385699), (8255, 215627), (9017, 197405), (15185, 117221), (39481, 45085)]