2558045165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 3676119552

約数和(自身を除く): 1118074387

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 251, 299, 391, 401, 1105, 1255, 1495, 1955, 2005, 3263, 4267, 5083, 5213, 5773, 6817, 9223, 16315, 21335, 25415, 26065, 28865, 34085, 46115, 55471, 75049, 88621, 98141, 100651, 119899, 156791, 277355, 375245, 443105, 490705, 503255, 599495, 783955, 1275833, 1308463, 1711067, 2038283, 2314973, 6379165, 6542315, 8555335, 10191415, 11574865, 22243871, 30094649, 39354541, 111219355, 150473245, 196772705, 511609033, 2558045165]

約数ペア:

[(1, 2558045165), (5, 511609033), (13, 196772705), (17, 150473245), (23, 111219355), (65, 39354541), (85, 30094649), (115, 22243871), (221, 11574865), (251, 10191415), (299, 8555335), (391, 6542315), (401, 6379165), (1105, 2314973), (1255, 2038283), (1495, 1711067), (1955, 1308463), (2005, 1275833), (3263, 783955), (4267, 599495), (5083, 503255), (5213, 490705), (5773, 443105), (6817, 375245), (9223, 277355), (16315, 156791), (21335, 119899), (25415, 100651), (26065, 98141), (28865, 88621), (34085, 75049), (46115, 55471)]