81981088

素因数分解:

$2^5\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2633}}^1$

素因数の和:2789

約数の個数: 48

約数和(自身を含む): 185855040

約数和(自身を除く): 103873952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 139, 224, 278, 556, 973, 1112, 1946, 2224, 2633, 3892, 4448, 5266, 7784, 10532, 15568, 18431, 21064, 31136, 36862, 42128, 73724, 84256, 147448, 294896, 365987, 589792, 731974, 1463948, 2561909, 2927896, 5123818, 5855792, 10247636, 11711584, 20495272, 40990544, 81981088]

約数ペア:

[(1, 81981088), (2, 40990544), (4, 20495272), (7, 11711584), (8, 10247636), (14, 5855792), (16, 5123818), (28, 2927896), (32, 2561909), (56, 1463948), (112, 731974), (139, 589792), (224, 365987), (278, 294896), (556, 147448), (973, 84256), (1112, 73724), (1946, 42128), (2224, 36862), (2633, 31136), (3892, 21064), (4448, 18431), (5266, 15568), (7784, 10532)]