201791989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2879}}^1$

素因数の和:2953

約数の個数: 32

約数和(自身を含む): 265420800

約数和(自身を除く): 63628811

約数列:

[1, 7, 17, 19, 31, 119, 133, 217, 323, 527, 589, 2261, 2879, 3689, 4123, 10013, 20153, 48943, 54701, 70091, 89249, 342601, 382907, 624743, 929917, 1517233, 1695731, 6509419, 10620631, 11870117, 28827427, 201791989]

約数ペア:

[(1, 201791989), (7, 28827427), (17, 11870117), (19, 10620631), (31, 6509419), (119, 1695731), (133, 1517233), (217, 929917), (323, 624743), (527, 382907), (589, 342601), (2261, 89249), (2879, 70091), (3689, 54701), (4123, 48943), (10013, 20153)]