25539269

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 32223744

約数和(自身を除く): 6684475

約数列:

[1, 7, 23, 41, 53, 73, 161, 287, 371, 511, 943, 1219, 1679, 2173, 2993, 3869, 6601, 8533, 11753, 15211, 20951, 27083, 49979, 68839, 88987, 158629, 349853, 481873, 622909, 1110403, 3648467, 25539269]

約数ペア:

[(1, 25539269), (7, 3648467), (23, 1110403), (41, 622909), (53, 481873), (73, 349853), (161, 158629), (287, 88987), (371, 68839), (511, 49979), (943, 27083), (1219, 20951), (1679, 15211), (2173, 11753), (2993, 8533), (3869, 6601)]