1640118513

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 2595225600

約数和(自身を除く): 955107087

約数列:

[1, 3, 11, 19, 33, 43, 57, 127, 129, 209, 381, 473, 479, 627, 817, 1397, 1419, 1437, 2413, 2451, 4191, 5269, 5461, 7239, 8987, 9101, 15807, 16383, 20597, 26543, 26961, 27303, 60071, 60833, 61791, 79629, 100111, 103759, 180213, 182499, 226567, 300333, 311277, 391343, 669163, 679701, 1141349, 1155827, 1174029, 2007489, 2615819, 3424047, 3467481, 4304773, 7847457, 12714097, 12914319, 28774009, 38142291, 49700561, 86322027, 149101683, 546706171, 1640118513]

約数ペア:

[(1, 1640118513), (3, 546706171), (11, 149101683), (19, 86322027), (33, 49700561), (43, 38142291), (57, 28774009), (127, 12914319), (129, 12714097), (209, 7847457), (381, 4304773), (473, 3467481), (479, 3424047), (627, 2615819), (817, 2007489), (1397, 1174029), (1419, 1155827), (1437, 1141349), (2413, 679701), (2451, 669163), (4191, 391343), (5269, 311277), (5461, 300333), (7239, 226567), (8987, 182499), (9101, 180213), (15807, 103759), (16383, 100111), (20597, 79629), (26543, 61791), (26961, 60833), (27303, 60071)]