2008779997

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{225427}}^1$

素因数の和:225520

約数の個数: 16

約数和(自身を含む): 2452656640

約数和(自身を除く): 443876643

約数列:

[1, 7, 19, 67, 133, 469, 1273, 8911, 225427, 1577989, 4283113, 15103609, 29981791, 105725263, 286968571, 2008779997]

約数ペア:

[(1, 2008779997), (7, 286968571), (19, 105725263), (67, 29981791), (133, 15103609), (469, 4283113), (1273, 1577989), (8911, 225427)]