489212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 929040

約数和(自身を除く): 439828

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 157, 164, 314, 628, 779, 1558, 2983, 3116, 5966, 6437, 11932, 12874, 25748, 122303, 244606, 489212]

約数ペア:

[(1, 489212), (2, 244606), (4, 122303), (19, 25748), (38, 12874), (41, 11932), (76, 6437), (82, 5966), (157, 3116), (164, 2983), (314, 1558), (628, 779)]