209677325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 309355200

約数和(自身を除く): 99677875

約数列:

[1, 5, 11, 13, 25, 55, 65, 89, 143, 275, 325, 445, 659, 715, 979, 1157, 2225, 3295, 3575, 4895, 5785, 7249, 8567, 12727, 16475, 24475, 28925, 36245, 42835, 58651, 63635, 94237, 181225, 214175, 293255, 318175, 471185, 645161, 762463, 1466275, 2355925, 3225805, 3812315, 8387093, 16129025, 19061575, 41935465, 209677325]

約数ペア:

[(1, 209677325), (5, 41935465), (11, 19061575), (13, 16129025), (25, 8387093), (55, 3812315), (65, 3225805), (89, 2355925), (143, 1466275), (275, 762463), (325, 645161), (445, 471185), (659, 318175), (715, 293255), (979, 214175), (1157, 181225), (2225, 94237), (3295, 63635), (3575, 58651), (4895, 42835), (5785, 36245), (7249, 28925), (8567, 24475), (12727, 16475)]