673757336

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 1464091200

約数和(自身を除く): 790333864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 197, 314, 389, 394, 628, 778, 788, 1099, 1256, 1379, 1556, 1576, 2198, 2723, 2758, 3112, 4396, 5446, 5516, 8792, 10892, 11032, 21784, 30929, 61073, 61858, 76633, 122146, 123716, 153266, 216503, 244292, 247432, 306532, 427511, 433006, 488584, 536431, 613064, 855022, 866012, 1072862, 1710044, 1732024, 2145724, 3420088, 4291448, 12031381, 24062762, 48125524, 84219667, 96251048, 168439334, 336878668, 673757336]

約数ペア:

[(1, 673757336), (2, 336878668), (4, 168439334), (7, 96251048), (8, 84219667), (14, 48125524), (28, 24062762), (56, 12031381), (157, 4291448), (197, 3420088), (314, 2145724), (389, 1732024), (394, 1710044), (628, 1072862), (778, 866012), (788, 855022), (1099, 613064), (1256, 536431), (1379, 488584), (1556, 433006), (1576, 427511), (2198, 306532), (2723, 247432), (2758, 244292), (3112, 216503), (4396, 153266), (5446, 123716), (5516, 122146), (8792, 76633), (10892, 61858), (11032, 61073), (21784, 30929)]