777536930

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1\times {\mathrm{2027}}^1$

素因数の和:2554

約数の個数: 32

約数和(自身を含む): 1419275520

約数和(自身を除く): 641738590

約数列:

[1, 2, 5, 10, 89, 178, 431, 445, 862, 890, 2027, 2155, 4054, 4310, 10135, 20270, 38359, 76718, 180403, 191795, 360806, 383590, 873637, 902015, 1747274, 1804030, 4368185, 8736370, 77753693, 155507386, 388768465, 777536930]

約数ペア:

[(1, 777536930), (2, 388768465), (5, 155507386), (10, 77753693), (89, 8736370), (178, 4368185), (431, 1804030), (445, 1747274), (862, 902015), (890, 873637), (2027, 383590), (2155, 360806), (4054, 191795), (4310, 180403), (10135, 76718), (20270, 38359)]