201786991

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 250518528

約数和(自身を除く): 48731537

約数列:

[1, 7, 17, 101, 103, 119, 163, 707, 721, 1141, 1717, 1751, 2771, 10403, 12019, 12257, 16463, 16789, 19397, 72821, 115241, 117523, 176851, 279871, 285413, 1237957, 1695689, 1959097, 1997891, 11869823, 28826713, 201786991]

約数ペア:

[(1, 201786991), (7, 28826713), (17, 11869823), (101, 1997891), (103, 1959097), (119, 1695689), (163, 1237957), (707, 285413), (721, 279871), (1141, 176851), (1717, 117523), (1751, 115241), (2771, 72821), (10403, 19397), (12019, 16789), (12257, 16463)]