31120978

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{13807}}^1$

素因数の和:13846

約数の個数: 24

約数和(自身を含む): 56668032

約数和(自身を除く): 25547054

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 13807, 27614, 96649, 193298, 317561, 635122, 676543, 1353086, 2222927, 4445854, 15560489, 31120978]

約数ペア:

[(1, 31120978), (2, 15560489), (7, 4445854), (14, 2222927), (23, 1353086), (46, 676543), (49, 635122), (98, 317561), (161, 193298), (322, 96649), (1127, 27614), (2254, 13807)]