6440251909

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1\times {\mathrm{2003}}^1$

素因数の和:2509

約数の個数: 32

約数和(自身を含む): 8039727360

約数和(自身を除く): 1599475451

約数列:

[1, 7, 13, 89, 91, 397, 623, 1157, 2003, 2779, 5161, 8099, 14021, 26039, 35333, 36127, 178267, 182273, 247331, 459329, 795191, 1247869, 2317471, 3215303, 5566337, 10337483, 16222297, 70771999, 72362381, 495403993, 920035987, 6440251909]

約数ペア:

[(1, 6440251909), (7, 920035987), (13, 495403993), (89, 72362381), (91, 70771999), (397, 16222297), (623, 10337483), (1157, 5566337), (2003, 3215303), (2779, 2317471), (5161, 1247869), (8099, 795191), (14021, 459329), (26039, 247331), (35333, 182273), (36127, 178267)]