208538781668

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{753751}}^1$

素因数の和:754044

約数の個数: 48

約数和(自身を含む): 429023578368

約数和(自身を除く): 220484796700

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 241, 287, 482, 574, 964, 1148, 1687, 3374, 6748, 9881, 19762, 39524, 69167, 138334, 276668, 753751, 1507502, 3015004, 5276257, 10552514, 21105028, 30903791, 61807582, 123615164, 181653991, 216326537, 363307982, 432653074, 726615964, 865306148, 1271577937, 2543155874, 5086311748, 7447813631, 14895627262, 29791254524, 52134695417, 104269390834, 208538781668]

約数ペア:

[(1, 208538781668), (2, 104269390834), (4, 52134695417), (7, 29791254524), (14, 14895627262), (28, 7447813631), (41, 5086311748), (82, 2543155874), (164, 1271577937), (241, 865306148), (287, 726615964), (482, 432653074), (574, 363307982), (964, 216326537), (1148, 181653991), (1687, 123615164), (3374, 61807582), (6748, 30903791), (9881, 21105028), (19762, 10552514), (39524, 5276257), (69167, 3015004), (138334, 1507502), (276668, 753751)]