209957272

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{331}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 462781440

約数和(自身を除く): 252824168

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 241, 329, 331, 376, 482, 658, 662, 964, 1316, 1324, 1687, 1928, 2317, 2632, 2648, 3374, 4634, 6748, 9268, 11327, 13496, 15557, 18536, 22654, 31114, 45308, 62228, 79289, 79771, 90616, 108899, 124456, 158578, 159542, 217798, 317156, 319084, 435596, 558397, 634312, 638168, 871192, 1116794, 2233588, 3749237, 4467176, 7498474, 14996948, 26244659, 29993896, 52489318, 104978636, 209957272]

約数ペア:

[(1, 209957272), (2, 104978636), (4, 52489318), (7, 29993896), (8, 26244659), (14, 14996948), (28, 7498474), (47, 4467176), (56, 3749237), (94, 2233588), (188, 1116794), (241, 871192), (329, 638168), (331, 634312), (376, 558397), (482, 435596), (658, 319084), (662, 317156), (964, 217798), (1316, 159542), (1324, 158578), (1687, 124456), (1928, 108899), (2317, 90616), (2632, 79771), (2648, 79289), (3374, 62228), (4634, 45308), (6748, 31114), (9268, 22654), (11327, 18536), (13496, 15557)]