1993553344

素因数分解:

$2^6\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1365

約数の個数: 56

約数和(自身を含む): 4005173600

約数和(自身を除く): 2011620256

約数列:

[1, 2, 4, 8, 16, 32, 64, 157, 199, 314, 398, 628, 796, 997, 1256, 1592, 1994, 2512, 3184, 3988, 5024, 6368, 7976, 10048, 12736, 15952, 31243, 31904, 62486, 63808, 124972, 156529, 198403, 249944, 313058, 396806, 499888, 626116, 793612, 999776, 1252232, 1587224, 1999552, 2504464, 3174448, 5008928, 6348896, 10017856, 12697792, 31149271, 62298542, 124597084, 249194168, 498388336, 996776672, 1993553344]

約数ペア:

[(1, 1993553344), (2, 996776672), (4, 498388336), (8, 249194168), (16, 124597084), (32, 62298542), (64, 31149271), (157, 12697792), (199, 10017856), (314, 6348896), (398, 5008928), (628, 3174448), (796, 2504464), (997, 1999552), (1256, 1587224), (1592, 1252232), (1994, 999776), (2512, 793612), (3184, 626116), (3988, 499888), (5024, 396806), (6368, 313058), (7976, 249944), (10048, 198403), (12736, 156529), (15952, 124972), (31243, 63808), (31904, 62486)]