215808916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{66037}}^1$

素因数の和:66103

約数の個数: 24

約数和(自身を含む): 406794080

約数和(自身を除く): 190985164

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 66037, 132074, 264148, 1254703, 2509406, 2839591, 5018812, 5679182, 11358364, 53952229, 107904458, 215808916]

約数ペア:

[(1, 215808916), (2, 107904458), (4, 53952229), (19, 11358364), (38, 5679182), (43, 5018812), (76, 2839591), (86, 2509406), (172, 1254703), (817, 264148), (1634, 132074), (3268, 66037)]