874872097775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1657}}^1\times {\mathrm{7351}}^1$

素因数の和:9061

約数の個数: 72

約数和(自身を含む): 1244730448224

約数和(自身を除く): 369858350449

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 221, 325, 425, 845, 1105, 1657, 2873, 4225, 5525, 7351, 8285, 14365, 21541, 28169, 36755, 41425, 71825, 95563, 107705, 124967, 140845, 183775, 280033, 366197, 477815, 538525, 624835, 704225, 1242319, 1400165, 1624571, 1830985, 2389075, 3124175, 4760561, 6211595, 7000825, 8122855, 9154925, 12180607, 21119423, 23802805, 31057975, 40614275, 60903035, 105597115, 119014025, 158347891, 207070319, 304515175, 527985575, 791739455, 1035351595, 2058522583, 2691914147, 3958697275, 5176757975, 10292612915, 13459570735, 34994883911, 51463064575, 67297853675, 174974419555, 874872097775]

約数ペア:

[(1, 874872097775), (5, 174974419555), (13, 67297853675), (17, 51463064575), (25, 34994883911), (65, 13459570735), (85, 10292612915), (169, 5176757975), (221, 3958697275), (325, 2691914147), (425, 2058522583), (845, 1035351595), (1105, 791739455), (1657, 527985575), (2873, 304515175), (4225, 207070319), (5525, 158347891), (7351, 119014025), (8285, 105597115), (14365, 60903035), (21541, 40614275), (28169, 31057975), (36755, 23802805), (41425, 21119423), (71825, 12180607), (95563, 9154925), (107705, 8122855), (124967, 7000825), (140845, 6211595), (183775, 4760561), (280033, 3124175), (366197, 2389075), (477815, 1830985), (538525, 1624571), (624835, 1400165), (704225, 1242319)]