80857784

素因数分解:

$2^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{3637}}^1$

素因数の和:4047

約数の個数: 32

約数和(自身を含む): 173750880

約数和(自身を除く): 92893096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 397, 794, 1588, 2779, 3176, 3637, 5558, 7274, 11116, 14548, 22232, 25459, 29096, 50918, 101836, 203672, 1443889, 2887778, 5775556, 10107223, 11551112, 20214446, 40428892, 80857784]

約数ペア:

[(1, 80857784), (2, 40428892), (4, 20214446), (7, 11551112), (8, 10107223), (14, 5775556), (28, 2887778), (56, 1443889), (397, 203672), (794, 101836), (1588, 50918), (2779, 29096), (3176, 25459), (3637, 22232), (5558, 14548), (7274, 11116)]