81374545

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{8101}}^1$

素因数の和:8161

約数の個数: 24

約数和(自身を含む): 116377128

約数和(自身を除く): 35002583

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 1435, 2009, 8101, 10045, 40505, 56707, 283535, 332141, 396949, 1660705, 1984745, 2324987, 11624935, 16274909, 81374545]

約数ペア:

[(1, 81374545), (5, 16274909), (7, 11624935), (35, 2324987), (41, 1984745), (49, 1660705), (205, 396949), (245, 332141), (287, 283535), (1435, 56707), (2009, 40505), (8101, 10045)]