257886954

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:612

約数の個数: 96

約数和(自身を含む): 630948864

約数和(自身を除く): 373061910

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 73, 78, 93, 117, 146, 186, 219, 234, 279, 403, 438, 487, 558, 657, 806, 949, 974, 1209, 1314, 1461, 1898, 2263, 2418, 2847, 2922, 3627, 4383, 4526, 5694, 6331, 6789, 7254, 8541, 8766, 12662, 13578, 15097, 17082, 18993, 20367, 29419, 30194, 35551, 37986, 40734, 45291, 56979, 58838, 71102, 88257, 90582, 106653, 113958, 135873, 176514, 196261, 213306, 264771, 271746, 319959, 392522, 462163, 529542, 588783, 639918, 924326, 1102081, 1177566, 1386489, 1766349, 2204162, 2772978, 3306243, 3532698, 4159467, 6612486, 8318934, 9918729, 14327053, 19837458, 28654106, 42981159, 85962318, 128943477, 257886954]

約数ペア:

[(1, 257886954), (2, 128943477), (3, 85962318), (6, 42981159), (9, 28654106), (13, 19837458), (18, 14327053), (26, 9918729), (31, 8318934), (39, 6612486), (62, 4159467), (73, 3532698), (78, 3306243), (93, 2772978), (117, 2204162), (146, 1766349), (186, 1386489), (219, 1177566), (234, 1102081), (279, 924326), (403, 639918), (438, 588783), (487, 529542), (558, 462163), (657, 392522), (806, 319959), (949, 271746), (974, 264771), (1209, 213306), (1314, 196261), (1461, 176514), (1898, 135873), (2263, 113958), (2418, 106653), (2847, 90582), (2922, 88257), (3627, 71102), (4383, 58838), (4526, 56979), (5694, 45291), (6331, 40734), (6789, 37986), (7254, 35551), (8541, 30194), (8766, 29419), (12662, 20367), (13578, 18993), (15097, 17082)]