27740848

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:773

約数の個数: 40

約数和(自身を含む): 55984016

約数和(自身を除く): 28243168

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 488, 661, 688, 976, 1322, 2623, 2644, 5246, 5288, 10492, 10576, 20984, 28423, 40321, 41968, 56846, 80642, 113692, 161284, 227384, 322568, 454768, 645136, 1733803, 3467606, 6935212, 13870424, 27740848]

約数ペア:

[(1, 27740848), (2, 13870424), (4, 6935212), (8, 3467606), (16, 1733803), (43, 645136), (61, 454768), (86, 322568), (122, 227384), (172, 161284), (244, 113692), (344, 80642), (488, 56846), (661, 41968), (688, 40321), (976, 28423), (1322, 20984), (2623, 10576), (2644, 10492), (5246, 5288)]