289448824

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1693}}^1$

素因数の和:1820

約数の個数: 64

約数和(自身を含む): 643991040

約数和(自身を除く): 354542216

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 71, 86, 142, 172, 284, 301, 344, 497, 568, 602, 994, 1204, 1693, 1988, 2408, 3053, 3386, 3976, 6106, 6772, 11851, 12212, 13544, 21371, 23702, 24424, 42742, 47404, 72799, 85484, 94808, 120203, 145598, 170968, 240406, 291196, 480812, 509593, 582392, 841421, 961624, 1019186, 1682842, 2038372, 3365684, 4076744, 5168729, 6731368, 10337458, 20674916, 36181103, 41349832, 72362206, 144724412, 289448824]

約数ペア:

[(1, 289448824), (2, 144724412), (4, 72362206), (7, 41349832), (8, 36181103), (14, 20674916), (28, 10337458), (43, 6731368), (56, 5168729), (71, 4076744), (86, 3365684), (142, 2038372), (172, 1682842), (284, 1019186), (301, 961624), (344, 841421), (497, 582392), (568, 509593), (602, 480812), (994, 291196), (1204, 240406), (1693, 170968), (1988, 145598), (2408, 120203), (3053, 94808), (3386, 85484), (3976, 72799), (6106, 47404), (6772, 42742), (11851, 24424), (12212, 23702), (13544, 21371)]