7216517

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 9849600

約数和(自身を除く): 2633083

約数列:

[1, 7, 11, 17, 37, 77, 119, 149, 187, 259, 407, 629, 1043, 1309, 1639, 2533, 2849, 4403, 5513, 6919, 11473, 17731, 27863, 38591, 48433, 60643, 93721, 195041, 424501, 656047, 1030931, 7216517]

約数ペア:

[(1, 7216517), (7, 1030931), (11, 656047), (17, 424501), (37, 195041), (77, 93721), (119, 60643), (149, 48433), (187, 38591), (259, 27863), (407, 17731), (629, 11473), (1043, 6919), (1309, 5513), (1639, 4403), (2533, 2849)]