8013978

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:249

約数の個数: 80

約数和(自身を含む): 21187584

約数和(自身を除く): 13173606

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 81, 111, 126, 162, 189, 191, 222, 259, 333, 378, 382, 518, 567, 573, 666, 777, 999, 1134, 1146, 1337, 1554, 1719, 1998, 2331, 2674, 2997, 3438, 4011, 4662, 5157, 5994, 6993, 7067, 8022, 10314, 12033, 13986, 14134, 15471, 20979, 21201, 24066, 30942, 36099, 41958, 42402, 49469, 63603, 72198, 98938, 108297, 127206, 148407, 190809, 216594, 296814, 381618, 445221, 572427, 890442, 1144854, 1335663, 2671326, 4006989, 8013978]

約数ペア:

[(1, 8013978), (2, 4006989), (3, 2671326), (6, 1335663), (7, 1144854), (9, 890442), (14, 572427), (18, 445221), (21, 381618), (27, 296814), (37, 216594), (42, 190809), (54, 148407), (63, 127206), (74, 108297), (81, 98938), (111, 72198), (126, 63603), (162, 49469), (189, 42402), (191, 41958), (222, 36099), (259, 30942), (333, 24066), (378, 21201), (382, 20979), (518, 15471), (567, 14134), (573, 13986), (666, 12033), (777, 10314), (999, 8022), (1134, 7067), (1146, 6993), (1337, 5994), (1554, 5157), (1719, 4662), (1998, 4011), (2331, 3438), (2674, 2997)]