638475266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 1161578880

約数和(自身を除く): 523103614

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 193, 269, 286, 386, 473, 538, 559, 946, 1118, 2123, 2509, 2959, 3497, 4246, 5018, 5918, 6149, 6994, 8299, 11567, 12298, 16598, 23134, 27599, 38467, 51917, 55198, 76934, 91289, 103834, 107887, 127237, 150371, 182578, 215774, 254474, 300742, 571087, 674921, 1142174, 1186757, 1349842, 1654081, 2232431, 2373514, 3308162, 4464862, 7424131, 14848262, 24556741, 29021603, 49113482, 58043206, 319237633, 638475266]

約数ペア:

[(1, 638475266), (2, 319237633), (11, 58043206), (13, 49113482), (22, 29021603), (26, 24556741), (43, 14848262), (86, 7424131), (143, 4464862), (193, 3308162), (269, 2373514), (286, 2232431), (386, 1654081), (473, 1349842), (538, 1186757), (559, 1142174), (946, 674921), (1118, 571087), (2123, 300742), (2509, 254474), (2959, 215774), (3497, 182578), (4246, 150371), (5018, 127237), (5918, 107887), (6149, 103834), (6994, 91289), (8299, 76934), (11567, 55198), (12298, 51917), (16598, 38467), (23134, 27599)]