215988

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 517440

約数和(自身を除く): 301452

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 439, 492, 878, 1317, 1756, 2634, 5268, 17999, 35998, 53997, 71996, 107994, 215988]

約数ペア:

[(1, 215988), (2, 107994), (3, 71996), (4, 53997), (6, 35998), (12, 17999), (41, 5268), (82, 2634), (123, 1756), (164, 1317), (246, 878), (439, 492)]