678538242

素因数分解:

$2^1\times 3^3\times {\mathrm{641}}^1\times {\mathrm{19603}}^1$

素因数の和:20255

約数の個数: 32

約数和(自身を含む): 1510292160

約数和(自身を除く): 831753918

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 641, 1282, 1923, 3846, 5769, 11538, 17307, 19603, 34614, 39206, 58809, 117618, 176427, 352854, 529281, 1058562, 12565523, 25131046, 37696569, 75393138, 113089707, 226179414, 339269121, 678538242]

約数ペア:

[(1, 678538242), (2, 339269121), (3, 226179414), (6, 113089707), (9, 75393138), (18, 37696569), (27, 25131046), (54, 12565523), (641, 1058562), (1282, 529281), (1923, 352854), (3846, 176427), (5769, 117618), (11538, 58809), (17307, 39206), (19603, 34614)]