15661303819

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{11579}}^1$

素因数の和:11911

約数の個数: 32

約数和(自身を含む): 19352125440

約数和(自身を除く): 3690821621

約数列:

[1, 7, 23, 31, 161, 217, 271, 713, 1897, 4991, 6233, 8401, 11579, 43631, 58807, 81053, 193223, 266317, 358949, 1352561, 1864219, 2512643, 3137909, 8255827, 21965363, 57790789, 72171907, 97275179, 505203349, 680926253, 2237329117, 15661303819]

約数ペア:

[(1, 15661303819), (7, 2237329117), (23, 680926253), (31, 505203349), (161, 97275179), (217, 72171907), (271, 57790789), (713, 21965363), (1897, 8255827), (4991, 3137909), (6233, 2512643), (8401, 1864219), (11579, 1352561), (43631, 358949), (58807, 266317), (81053, 193223)]