66684775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 92851200

約数和(自身を除く): 26166425

約数列:

[1, 5, 19, 25, 29, 47, 95, 103, 145, 235, 475, 515, 551, 725, 893, 1175, 1363, 1957, 2575, 2755, 2987, 4465, 4841, 6815, 9785, 13775, 14935, 22325, 24205, 25897, 34075, 48925, 56753, 74675, 91979, 121025, 129485, 140389, 283765, 459895, 647425, 701945, 1418825, 2299475, 2667391, 3509725, 13336955, 66684775]

約数ペア:

[(1, 66684775), (5, 13336955), (19, 3509725), (25, 2667391), (29, 2299475), (47, 1418825), (95, 701945), (103, 647425), (145, 459895), (235, 283765), (475, 140389), (515, 129485), (551, 121025), (725, 91979), (893, 74675), (1175, 56753), (1363, 48925), (1957, 34075), (2575, 25897), (2755, 24205), (2987, 22325), (4465, 14935), (4841, 13775), (6815, 9785)]