638962352

素因数分解:

$2^4\times 7^3\times {\mathrm{173}}^1\times {\mathrm{673}}^1$

素因数の和:875

約数の個数: 80

約数和(自身を含む): 1454222400

約数和(自身を除く): 815260048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 173, 196, 343, 346, 392, 673, 686, 692, 784, 1211, 1346, 1372, 1384, 2422, 2692, 2744, 2768, 4711, 4844, 5384, 5488, 8477, 9422, 9688, 10768, 16954, 18844, 19376, 32977, 33908, 37688, 59339, 65954, 67816, 75376, 116429, 118678, 131908, 135632, 230839, 232858, 237356, 263816, 461678, 465716, 474712, 527632, 815003, 923356, 931432, 949424, 1630006, 1846712, 1862864, 3260012, 3693424, 5705021, 6520024, 11410042, 13040048, 22820084, 39935147, 45640168, 79870294, 91280336, 159740588, 319481176, 638962352]

約数ペア:

[(1, 638962352), (2, 319481176), (4, 159740588), (7, 91280336), (8, 79870294), (14, 45640168), (16, 39935147), (28, 22820084), (49, 13040048), (56, 11410042), (98, 6520024), (112, 5705021), (173, 3693424), (196, 3260012), (343, 1862864), (346, 1846712), (392, 1630006), (673, 949424), (686, 931432), (692, 923356), (784, 815003), (1211, 527632), (1346, 474712), (1372, 465716), (1384, 461678), (2422, 263816), (2692, 237356), (2744, 232858), (2768, 230839), (4711, 135632), (4844, 131908), (5384, 118678), (5488, 116429), (8477, 75376), (9422, 67816), (9688, 65954), (10768, 59339), (16954, 37688), (18844, 33908), (19376, 32977)]