12857509

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{349}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 15568000

約数和(自身を除く): 2710491

約数列:

[1, 7, 19, 133, 277, 349, 1939, 2443, 5263, 6631, 36841, 46417, 96673, 676711, 1836787, 12857509]

約数ペア:

[(1, 12857509), (7, 1836787), (19, 676711), (133, 96673), (277, 46417), (349, 36841), (1939, 6631), (2443, 5263)]