25616199

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 42915840

約数和(自身を除く): 17299641

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 109, 133, 217, 327, 361, 399, 589, 651, 763, 1083, 1767, 2071, 2289, 2527, 3379, 4123, 6213, 7581, 10137, 11191, 12369, 14497, 23653, 33573, 39349, 43491, 64201, 70959, 78337, 118047, 192603, 235011, 275443, 449407, 826329, 1219819, 1348221, 3659457, 8538733, 25616199]

約数ペア:

[(1, 25616199), (3, 8538733), (7, 3659457), (19, 1348221), (21, 1219819), (31, 826329), (57, 449407), (93, 275443), (109, 235011), (133, 192603), (217, 118047), (327, 78337), (361, 70959), (399, 64201), (589, 43491), (651, 39349), (763, 33573), (1083, 23653), (1767, 14497), (2071, 12369), (2289, 11191), (2527, 10137), (3379, 7581), (4123, 6213)]