639156970838

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{457}}^1\times {\mathrm{1579}}^1\times {\mathrm{4139}}^1$

素因数の和:6284

約数の個数: 32

約数和(自身を含む): 970661750400

約数和(自身を除く): 331504779562

約数列:

[1, 2, 107, 214, 457, 914, 1579, 3158, 4139, 8278, 48899, 97798, 168953, 337906, 442873, 721603, 885746, 1443206, 1891523, 3783046, 6535481, 13070962, 77211521, 154423042, 202392961, 404785922, 699296467, 1398592934, 2986714817, 5973429634, 319578485419, 639156970838]

約数ペア:

[(1, 639156970838), (2, 319578485419), (107, 5973429634), (214, 2986714817), (457, 1398592934), (914, 699296467), (1579, 404785922), (3158, 202392961), (4139, 154423042), (8278, 77211521), (48899, 13070962), (97798, 6535481), (168953, 3783046), (337906, 1891523), (442873, 1443206), (721603, 885746)]