4209149

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 5384448

約数和(自身を除く): 1175299

約数列:

[1, 7, 17, 31, 49, 119, 163, 217, 527, 833, 1141, 1519, 2771, 3689, 5053, 7987, 19397, 25823, 35371, 85901, 135779, 247597, 601307, 4209149]

約数ペア:

[(1, 4209149), (7, 601307), (17, 247597), (31, 135779), (49, 85901), (119, 35371), (163, 25823), (217, 19397), (527, 7987), (833, 5053), (1141, 3689), (1519, 2771)]