620199489

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 1044062208

約数和(自身を除く): 423862719

約数列:

[1, 3, 7, 13, 21, 39, 83, 91, 101, 249, 271, 273, 303, 581, 707, 813, 1079, 1313, 1743, 1897, 2121, 3237, 3523, 3939, 5691, 7553, 8383, 9191, 10569, 22493, 22659, 24661, 25149, 27371, 27573, 58681, 67479, 73983, 82113, 108979, 157451, 176043, 191597, 292409, 326937, 355823, 472353, 574791, 762853, 877227, 1067469, 2046863, 2271793, 2288559, 2490761, 6140589, 6815379, 7472283, 15902551, 29533309, 47707653, 88599927, 206733163, 620199489]

約数ペア:

[(1, 620199489), (3, 206733163), (7, 88599927), (13, 47707653), (21, 29533309), (39, 15902551), (83, 7472283), (91, 6815379), (101, 6140589), (249, 2490761), (271, 2288559), (273, 2271793), (303, 2046863), (581, 1067469), (707, 877227), (813, 762853), (1079, 574791), (1313, 472353), (1743, 355823), (1897, 326937), (2121, 292409), (3237, 191597), (3523, 176043), (3939, 157451), (5691, 108979), (7553, 82113), (8383, 73983), (9191, 67479), (10569, 58681), (22493, 27573), (22659, 27371), (24661, 25149)]