278401982

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{31687}}^1$

素因数の和:31903

約数の個数: 16

約数和(自身を含む): 438054912

約数和(自身を除く): 159652930

約数列:

[1, 2, 23, 46, 191, 382, 4393, 8786, 31687, 63374, 728801, 1457602, 6052217, 12104434, 139200991, 278401982]

約数ペア:

[(1, 278401982), (2, 139200991), (23, 12104434), (46, 6052217), (191, 1457602), (382, 728801), (4393, 63374), (8786, 31687)]