16507561

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 21600000

約数和(自身を除く): 5092439

約数列:

[1, 7, 17, 19, 49, 119, 133, 149, 323, 343, 833, 931, 1043, 2261, 2533, 2831, 5831, 6517, 7301, 15827, 17731, 19817, 48127, 51107, 110789, 124117, 138719, 336889, 868819, 971033, 2358223, 16507561]

約数ペア:

[(1, 16507561), (7, 2358223), (17, 971033), (19, 868819), (49, 336889), (119, 138719), (133, 124117), (149, 110789), (323, 51107), (343, 48127), (833, 19817), (931, 17731), (1043, 15827), (2261, 7301), (2533, 6517), (2831, 5831)]