81469612

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2086

約数の個数: 48

約数和(自身を含む): 171859968

約数和(自身を除く): 90390356

約数列:

[1, 2, 4, 7, 14, 28, 31, 47, 62, 94, 124, 188, 217, 329, 434, 658, 868, 1316, 1457, 1997, 2914, 3994, 5828, 7988, 10199, 13979, 20398, 27958, 40796, 55916, 61907, 93859, 123814, 187718, 247628, 375436, 433349, 657013, 866698, 1314026, 1733396, 2628052, 2909629, 5819258, 11638516, 20367403, 40734806, 81469612]

約数ペア:

[(1, 81469612), (2, 40734806), (4, 20367403), (7, 11638516), (14, 5819258), (28, 2909629), (31, 2628052), (47, 1733396), (62, 1314026), (94, 866698), (124, 657013), (188, 433349), (217, 375436), (329, 247628), (434, 187718), (658, 123814), (868, 93859), (1316, 61907), (1457, 55916), (1997, 40796), (2914, 27958), (3994, 20398), (5828, 13979), (7988, 10199)]