419420065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{953}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 544008960

約数和(自身を除く): 124588895

約数列:

[1, 5, 23, 43, 89, 115, 215, 445, 953, 989, 2047, 3827, 4765, 4945, 10235, 19135, 21919, 40979, 84817, 88021, 109595, 204895, 424085, 440105, 942517, 1950791, 3647131, 4712585, 9753955, 18235655, 83884013, 419420065]

約数ペア:

[(1, 419420065), (5, 83884013), (23, 18235655), (43, 9753955), (89, 4712585), (115, 3647131), (215, 1950791), (445, 942517), (953, 440105), (989, 424085), (2047, 204895), (3827, 109595), (4765, 88021), (4945, 84817), (10235, 40979), (19135, 21919)]