74378145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^2$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 131424768

約数和(自身を除く): 57046623

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 97, 155, 255, 291, 465, 485, 527, 1455, 1581, 1649, 2635, 3007, 4947, 7905, 8245, 9021, 9409, 15035, 24735, 28227, 45105, 47045, 51119, 141135, 153357, 159953, 255595, 291679, 479859, 766785, 799765, 875037, 1458395, 2399295, 4375185, 4958543, 14875629, 24792715, 74378145]

約数ペア:

[(1, 74378145), (3, 24792715), (5, 14875629), (15, 4958543), (17, 4375185), (31, 2399295), (51, 1458395), (85, 875037), (93, 799765), (97, 766785), (155, 479859), (255, 291679), (291, 255595), (465, 159953), (485, 153357), (527, 141135), (1455, 51119), (1581, 47045), (1649, 45105), (2635, 28227), (3007, 24735), (4947, 15035), (7905, 9409), (8245, 9021)]