222865990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1\times {\mathrm{991}}^1$

素因数の和:1564

約数の個数: 32

約数和(自身を含む): 411687936

約数和(自身を除く): 188821946

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 523, 991, 1046, 1982, 2615, 4955, 5230, 9910, 22489, 42613, 44978, 85226, 112445, 213065, 224890, 426130, 518293, 1036586, 2591465, 5182930, 22286599, 44573198, 111432995, 222865990]

約数ペア:

[(1, 222865990), (2, 111432995), (5, 44573198), (10, 22286599), (43, 5182930), (86, 2591465), (215, 1036586), (430, 518293), (523, 426130), (991, 224890), (1046, 213065), (1982, 112445), (2615, 85226), (4955, 44978), (5230, 42613), (9910, 22489)]