646141444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{2417}}^1$

素因数の和:2584

約数の個数: 48

約数和(自身を含む): 1254013488

約数和(自身を除く): 607872044

約数列:

[1, 2, 4, 13, 26, 52, 53, 97, 106, 194, 212, 388, 689, 1261, 1378, 2417, 2522, 2756, 4834, 5044, 5141, 9668, 10282, 20564, 31421, 62842, 66833, 125684, 128101, 133666, 234449, 256202, 267332, 468898, 512404, 937796, 1665313, 3047837, 3330626, 6095674, 6661252, 12191348, 12425797, 24851594, 49703188, 161535361, 323070722, 646141444]

約数ペア:

[(1, 646141444), (2, 323070722), (4, 161535361), (13, 49703188), (26, 24851594), (52, 12425797), (53, 12191348), (97, 6661252), (106, 6095674), (194, 3330626), (212, 3047837), (388, 1665313), (689, 937796), (1261, 512404), (1378, 468898), (2417, 267332), (2522, 256202), (2756, 234449), (4834, 133666), (5044, 128101), (5141, 125684), (9668, 66833), (10282, 62842), (20564, 31421)]