389675408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1281827}}^1$

素因数の和:1281854

約数の個数: 20

約数和(自身を含む): 794733360

約数和(自身を除く): 405057952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1281827, 2563654, 5127308, 10254616, 20509232, 24354713, 48709426, 97418852, 194837704, 389675408]

約数ペア:

[(1, 389675408), (2, 194837704), (4, 97418852), (8, 48709426), (16, 24354713), (19, 20509232), (38, 10254616), (76, 5127308), (152, 2563654), (304, 1281827)]