25428711

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 45121536

約数和(自身を除く): 19692825

約数列:

[1, 3, 7, 11, 21, 31, 33, 53, 67, 77, 93, 159, 201, 217, 231, 341, 371, 469, 583, 651, 737, 1023, 1113, 1407, 1643, 1749, 2077, 2211, 2387, 3551, 4081, 4929, 5159, 6231, 7161, 10653, 11501, 12243, 14539, 15477, 18073, 22847, 24857, 34503, 39061, 43617, 54219, 68541, 74571, 110081, 117183, 126511, 159929, 273427, 330243, 379533, 479787, 770567, 820281, 1210891, 2311701, 3632673, 8476237, 25428711]

約数ペア:

[(1, 25428711), (3, 8476237), (7, 3632673), (11, 2311701), (21, 1210891), (31, 820281), (33, 770567), (53, 479787), (67, 379533), (77, 330243), (93, 273427), (159, 159929), (201, 126511), (217, 117183), (231, 110081), (341, 74571), (371, 68541), (469, 54219), (583, 43617), (651, 39061), (737, 34503), (1023, 24857), (1113, 22847), (1407, 18073), (1643, 15477), (1749, 14539), (2077, 12243), (2211, 11501), (2387, 10653), (3551, 7161), (4081, 6231), (4929, 5159)]