27781616

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{2141}}^1$

素因数の和:2960

約数の個数: 20

約数和(自身を含む): 53918424

約数和(自身を除く): 26136808

約数列:

[1, 2, 4, 8, 16, 811, 1622, 2141, 3244, 4282, 6488, 8564, 12976, 17128, 34256, 1736351, 3472702, 6945404, 13890808, 27781616]

約数ペア:

[(1, 27781616), (2, 13890808), (4, 6945404), (8, 3472702), (16, 1736351), (811, 34256), (1622, 17128), (2141, 12976), (3244, 8564), (4282, 6488)]