387624978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1656517}}^1$

素因数の和:1656538

約数の個数: 24

約数和(自身を含む): 904458828

約数和(自身を除く): 516833850

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1656517, 3313034, 4969551, 9939102, 14908653, 21534721, 29817306, 43069442, 64604163, 129208326, 193812489, 387624978]

約数ペア:

[(1, 387624978), (2, 193812489), (3, 129208326), (6, 64604163), (9, 43069442), (13, 29817306), (18, 21534721), (26, 14908653), (39, 9939102), (78, 4969551), (117, 3313034), (234, 1656517)]