2154561409

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 3185360640

約数和(自身を除く): 1030799231

約数列:

[1, 7, 11, 13, 23, 29, 49, 77, 91, 143, 161, 203, 253, 299, 319, 377, 461, 539, 637, 667, 1001, 1127, 1421, 1771, 2093, 2233, 2639, 3227, 3289, 4147, 4669, 5071, 5993, 7007, 7337, 8671, 10603, 12397, 13369, 14651, 15631, 18473, 22589, 23023, 29029, 32683, 35497, 41951, 51359, 60697, 65923, 74221, 93583, 95381, 116633, 137839, 147059, 161161, 173797, 203203, 248479, 293657, 307487, 359513, 424879, 461461, 519547, 655081, 667667, 816431, 964873, 1029413, 1216579, 1516229, 1911767, 2152409, 3230227, 3382357, 3997331, 4673669, 5715017, 6754111, 7205891, 8516053, 10613603, 13382369, 15066863, 23676499, 27981317, 43970641, 74295221, 93676583, 165735493, 195869219, 307794487, 2154561409]

約数ペア:

[(1, 2154561409), (7, 307794487), (11, 195869219), (13, 165735493), (23, 93676583), (29, 74295221), (49, 43970641), (77, 27981317), (91, 23676499), (143, 15066863), (161, 13382369), (203, 10613603), (253, 8516053), (299, 7205891), (319, 6754111), (377, 5715017), (461, 4673669), (539, 3997331), (637, 3382357), (667, 3230227), (1001, 2152409), (1127, 1911767), (1421, 1516229), (1771, 1216579), (2093, 1029413), (2233, 964873), (2639, 816431), (3227, 667667), (3289, 655081), (4147, 519547), (4669, 461461), (5071, 424879), (5993, 359513), (7007, 307487), (7337, 293657), (8671, 248479), (10603, 203203), (12397, 173797), (13369, 161161), (14651, 147059), (15631, 137839), (18473, 116633), (22589, 95381), (23023, 93583), (29029, 74221), (32683, 65923), (35497, 60697), (41951, 51359)]