31407159217

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{593}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 38042307072

約数和(自身を除く): 6635147855

約数列:

[1, 7, 37, 49, 131, 223, 259, 593, 917, 1561, 1813, 4151, 4847, 6419, 8251, 10927, 21941, 29057, 29213, 33929, 57757, 77683, 132239, 153587, 204491, 237503, 404299, 543781, 925673, 1075109, 1080881, 1431437, 2874271, 3806467, 4892843, 6479711, 7566167, 17323309, 20119897, 34249901, 52963169, 121263163, 140839279, 239749307, 640962433, 848842141, 4486737031, 31407159217]

約数ペア:

[(1, 31407159217), (7, 4486737031), (37, 848842141), (49, 640962433), (131, 239749307), (223, 140839279), (259, 121263163), (593, 52963169), (917, 34249901), (1561, 20119897), (1813, 17323309), (4151, 7566167), (4847, 6479711), (6419, 4892843), (8251, 3806467), (10927, 2874271), (21941, 1431437), (29057, 1080881), (29213, 1075109), (33929, 925673), (57757, 543781), (77683, 404299), (132239, 237503), (153587, 204491)]