638427470525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{3236231}}^1$

素因数の和:3236861

約数の個数: 24

約数和(自身を含む): 853951010304

約数和(自身を除く): 215523539779

約数列:

[1, 5, 13, 25, 65, 325, 607, 3035, 7891, 15175, 39455, 197275, 3236231, 16181155, 42071003, 80905775, 210355015, 1051775075, 1964392217, 9821961085, 25537098821, 49109805425, 127685494105, 638427470525]

約数ペア:

[(1, 638427470525), (5, 127685494105), (13, 49109805425), (25, 25537098821), (65, 9821961085), (325, 1964392217), (607, 1051775075), (3035, 210355015), (7891, 80905775), (15175, 42071003), (39455, 16181155), (197275, 3236231)]