1640694765

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{1693}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 2793555072

約数和(自身を除く): 1152860307

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 159, 265, 345, 795, 1219, 1693, 2809, 3657, 5079, 6095, 8427, 8465, 14045, 18285, 25395, 38939, 42135, 64607, 89729, 116817, 193821, 194695, 269187, 323035, 448645, 584085, 969105, 1345935, 2063767, 4755637, 6191301, 10318835, 14266911, 23778185, 30956505, 71334555, 109379651, 328138953, 546898255, 1640694765]

約数ペア:

[(1, 1640694765), (3, 546898255), (5, 328138953), (15, 109379651), (23, 71334555), (53, 30956505), (69, 23778185), (115, 14266911), (159, 10318835), (265, 6191301), (345, 4755637), (795, 2063767), (1219, 1345935), (1693, 969105), (2809, 584085), (3657, 448645), (5079, 323035), (6095, 269187), (8427, 194695), (8465, 193821), (14045, 116817), (18285, 89729), (25395, 64607), (38939, 42135)]