991249588

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{5923}}^1$

素因数の和:6116

約数の個数: 48

約数和(自身を含む): 2043543040

約数和(自身を除く): 1052293452

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 139, 172, 278, 301, 556, 602, 973, 1204, 1946, 3892, 5923, 5977, 11846, 11954, 23692, 23908, 41461, 41839, 82922, 83678, 165844, 167356, 254689, 509378, 823297, 1018756, 1646594, 1782823, 3293188, 3565646, 5763079, 7131292, 11526158, 23052316, 35401771, 70803542, 141607084, 247812397, 495624794, 991249588]

約数ペア:

[(1, 991249588), (2, 495624794), (4, 247812397), (7, 141607084), (14, 70803542), (28, 35401771), (43, 23052316), (86, 11526158), (139, 7131292), (172, 5763079), (278, 3565646), (301, 3293188), (556, 1782823), (602, 1646594), (973, 1018756), (1204, 823297), (1946, 509378), (3892, 254689), (5923, 167356), (5977, 165844), (11846, 83678), (11954, 82922), (23692, 41839), (23908, 41461)]