81103254

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1609}}^1$

素因数の和:1916

約数の個数: 32

約数和(自身を含む): 168161280

約数和(自身を除く): 87058026

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 271, 542, 813, 1609, 1626, 3218, 4827, 8401, 9654, 16802, 25203, 49879, 50406, 99758, 149637, 299274, 436039, 872078, 1308117, 2616234, 13517209, 27034418, 40551627, 81103254]

約数ペア:

[(1, 81103254), (2, 40551627), (3, 27034418), (6, 13517209), (31, 2616234), (62, 1308117), (93, 872078), (186, 436039), (271, 299274), (542, 149637), (813, 99758), (1609, 50406), (1626, 49879), (3218, 25203), (4827, 16802), (8401, 9654)]