81686436

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{523631}}^1$

素因数の和:523651

約数の個数: 24

約数和(自身を含む): 205263744

約数和(自身を除く): 123577308

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 523631, 1047262, 1570893, 2094524, 3141786, 6283572, 6807203, 13614406, 20421609, 27228812, 40843218, 81686436]

約数ペア:

[(1, 81686436), (2, 40843218), (3, 27228812), (4, 20421609), (6, 13614406), (12, 6807203), (13, 6283572), (26, 3141786), (39, 2094524), (52, 1570893), (78, 1047262), (156, 523631)]