309149918

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:127

約数の個数: 108

約数和(自身を含む): 633892896

約数和(自身を除く): 324742978

約数列:

[1, 2, 7, 11, 14, 22, 29, 31, 49, 58, 62, 77, 98, 121, 154, 203, 217, 242, 319, 341, 406, 434, 539, 638, 682, 841, 847, 899, 1078, 1421, 1519, 1682, 1694, 1798, 2233, 2387, 2842, 3038, 3509, 3751, 4466, 4774, 5887, 5929, 6293, 7018, 7502, 9251, 9889, 11774, 11858, 12586, 15631, 16709, 18502, 19778, 24563, 26071, 26257, 31262, 33418, 41209, 44051, 49126, 52142, 52514, 64757, 69223, 82418, 88102, 101761, 108779, 129514, 138446, 171941, 182497, 183799, 203522, 217558, 286781, 343882, 364994, 367598, 453299, 484561, 573562, 712327, 761453, 906598, 969122, 1277479, 1424654, 1522906, 2007467, 2554958, 3154591, 4014934, 4986289, 5330171, 6309182, 9972578, 10660342, 14052269, 22082137, 28104538, 44164274, 154574959, 309149918]

約数ペア:

[(1, 309149918), (2, 154574959), (7, 44164274), (11, 28104538), (14, 22082137), (22, 14052269), (29, 10660342), (31, 9972578), (49, 6309182), (58, 5330171), (62, 4986289), (77, 4014934), (98, 3154591), (121, 2554958), (154, 2007467), (203, 1522906), (217, 1424654), (242, 1277479), (319, 969122), (341, 906598), (406, 761453), (434, 712327), (539, 573562), (638, 484561), (682, 453299), (841, 367598), (847, 364994), (899, 343882), (1078, 286781), (1421, 217558), (1519, 203522), (1682, 183799), (1694, 182497), (1798, 171941), (2233, 138446), (2387, 129514), (2842, 108779), (3038, 101761), (3509, 88102), (3751, 82418), (4466, 69223), (4774, 64757), (5887, 52514), (5929, 52142), (6293, 49126), (7018, 44051), (7502, 41209), (9251, 33418), (9889, 31262), (11774, 26257), (11858, 26071), (12586, 24563), (15631, 19778), (16709, 18502)]