51221772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 157597440

約数和(自身を除く): 106375668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 43, 58, 63, 84, 86, 87, 116, 126, 129, 163, 172, 174, 203, 252, 258, 261, 301, 326, 348, 387, 406, 489, 516, 522, 602, 609, 652, 774, 812, 903, 978, 1044, 1141, 1204, 1218, 1247, 1467, 1548, 1806, 1827, 1956, 2282, 2436, 2494, 2709, 2934, 3423, 3612, 3654, 3741, 4564, 4727, 4988, 5418, 5868, 6846, 7009, 7308, 7482, 8729, 9454, 10269, 10836, 11223, 13692, 14018, 14181, 14964, 17458, 18908, 20538, 21027, 22446, 26187, 28036, 28362, 33089, 34916, 41076, 42054, 42543, 44892, 49063, 52374, 56724, 63081, 66178, 78561, 84108, 85086, 98126, 99267, 104748, 126162, 132356, 147189, 157122, 170172, 196252, 198534, 203261, 252324, 294378, 297801, 314244, 397068, 406522, 441567, 588756, 595602, 609783, 813044, 883134, 1191204, 1219566, 1422827, 1766268, 1829349, 2439132, 2845654, 3658698, 4268481, 5691308, 7317396, 8536962, 12805443, 17073924, 25610886, 51221772]

約数ペア:

[(1, 51221772), (2, 25610886), (3, 17073924), (4, 12805443), (6, 8536962), (7, 7317396), (9, 5691308), (12, 4268481), (14, 3658698), (18, 2845654), (21, 2439132), (28, 1829349), (29, 1766268), (36, 1422827), (42, 1219566), (43, 1191204), (58, 883134), (63, 813044), (84, 609783), (86, 595602), (87, 588756), (116, 441567), (126, 406522), (129, 397068), (163, 314244), (172, 297801), (174, 294378), (203, 252324), (252, 203261), (258, 198534), (261, 196252), (301, 170172), (326, 157122), (348, 147189), (387, 132356), (406, 126162), (489, 104748), (516, 99267), (522, 98126), (602, 85086), (609, 84108), (652, 78561), (774, 66178), (812, 63081), (903, 56724), (978, 52374), (1044, 49063), (1141, 44892), (1204, 42543), (1218, 42054), (1247, 41076), (1467, 34916), (1548, 33089), (1806, 28362), (1827, 28036), (1956, 26187), (2282, 22446), (2436, 21027), (2494, 20538), (2709, 18908), (2934, 17458), (3423, 14964), (3612, 14181), (3654, 14018), (3741, 13692), (4564, 11223), (4727, 10836), (4988, 10269), (5418, 9454), (5868, 8729), (6846, 7482), (7009, 7308)]