16684745

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 26199936

約数和(自身を除く): 9515191

約数列:

[1, 5, 7, 11, 35, 41, 49, 55, 77, 151, 205, 245, 287, 385, 451, 539, 755, 1057, 1435, 1661, 2009, 2255, 2695, 3157, 5285, 6191, 7399, 8305, 10045, 11627, 15785, 22099, 30955, 36995, 43337, 58135, 68101, 81389, 110495, 216685, 303359, 340505, 406945, 476707, 1516795, 2383535, 3336949, 16684745]

約数ペア:

[(1, 16684745), (5, 3336949), (7, 2383535), (11, 1516795), (35, 476707), (41, 406945), (49, 340505), (55, 303359), (77, 216685), (151, 110495), (205, 81389), (245, 68101), (287, 58135), (385, 43337), (451, 36995), (539, 30955), (755, 22099), (1057, 15785), (1435, 11627), (1661, 10045), (2009, 8305), (2255, 7399), (2695, 6191), (3157, 5285)]