388996916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1021}}^1\times {\mathrm{1237}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 850238592

約数和(自身を除く): 461241676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 1021, 1237, 2042, 2474, 4084, 4948, 7147, 8659, 11231, 13607, 14294, 17318, 22462, 27214, 28588, 34636, 44924, 54428, 78617, 95249, 157234, 190498, 314468, 380996, 1262977, 2525954, 5051908, 8840839, 13892747, 17681678, 27785494, 35363356, 55570988, 97249229, 194498458, 388996916]

約数ペア:

[(1, 388996916), (2, 194498458), (4, 97249229), (7, 55570988), (11, 35363356), (14, 27785494), (22, 17681678), (28, 13892747), (44, 8840839), (77, 5051908), (154, 2525954), (308, 1262977), (1021, 380996), (1237, 314468), (2042, 190498), (2474, 157234), (4084, 95249), (4948, 78617), (7147, 54428), (8659, 44924), (11231, 34636), (13607, 28588), (14294, 27214), (17318, 22462)]