388611769

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5227}}^1$

素因数の和:5309

約数の個数: 32

約数和(自身を含む): 515271680

約数和(自身を除く): 126659911

約数列:

[1, 7, 13, 19, 43, 91, 133, 247, 301, 559, 817, 1729, 3913, 5227, 5719, 10621, 36589, 67951, 74347, 99313, 224761, 475657, 695191, 1291069, 1573327, 2921893, 4270459, 9037483, 20453251, 29893213, 55515967, 388611769]

約数ペア:

[(1, 388611769), (7, 55515967), (13, 29893213), (19, 20453251), (43, 9037483), (91, 4270459), (133, 2921893), (247, 1573327), (301, 1291069), (559, 695191), (817, 475657), (1729, 224761), (3913, 99313), (5227, 74347), (5719, 67951), (10621, 36589)]