81238892

素因数分解:

$2^2\times 7^1\times {\mathrm{1297}}^1\times {\mathrm{2237}}^1$

素因数の和:3545

約数の個数: 24

約数和(自身を含む): 162675744

約数和(自身を除く): 81436852

約数列:

[1, 2, 4, 7, 14, 28, 1297, 2237, 2594, 4474, 5188, 8948, 9079, 15659, 18158, 31318, 36316, 62636, 2901389, 5802778, 11605556, 20309723, 40619446, 81238892]

約数ペア:

[(1, 81238892), (2, 40619446), (4, 20309723), (7, 11605556), (14, 5802778), (28, 2901389), (1297, 62636), (2237, 36316), (2594, 31318), (4474, 18158), (5188, 15659), (8948, 9079)]