2003267585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{28657}}^1$

素因数の和:28745

約数の個数: 32

約数和(自身を含む): 2773177344

約数和(自身を除く): 769909759

約数列:

[1, 5, 11, 31, 41, 55, 155, 205, 341, 451, 1271, 1705, 2255, 6355, 13981, 28657, 69905, 143285, 315227, 888367, 1174937, 1576135, 4441835, 5874685, 9772037, 12924307, 36423047, 48860185, 64621535, 182115235, 400653517, 2003267585]

約数ペア:

[(1, 2003267585), (5, 400653517), (11, 182115235), (31, 64621535), (41, 48860185), (55, 36423047), (155, 12924307), (205, 9772037), (341, 5874685), (451, 4441835), (1271, 1576135), (1705, 1174937), (2255, 888367), (6355, 315227), (13981, 143285), (28657, 69905)]