291244982

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{7919}}^1$

素因数の和:8036

約数の個数: 32

約数和(自身を含む): 520058880

約数和(自身を除く): 228813898

約数列:

[1, 2, 7, 14, 37, 71, 74, 142, 259, 497, 518, 994, 2627, 5254, 7919, 15838, 18389, 36778, 55433, 110866, 293003, 562249, 586006, 1124498, 2051021, 3935743, 4102042, 7871486, 20803213, 41606426, 145622491, 291244982]

約数ペア:

[(1, 291244982), (2, 145622491), (7, 41606426), (14, 20803213), (37, 7871486), (71, 4102042), (74, 3935743), (142, 2051021), (259, 1124498), (497, 586006), (518, 562249), (994, 293003), (2627, 110866), (5254, 55433), (7919, 36778), (15838, 18389)]