645370816

素因数分解:

$2^6\times {\mathrm{83}}^1\times {\mathrm{121493}}^1$

素因数の和:121588

約数の個数: 28

約数和(自身を含む): 1296097992

約数和(自身を除く): 650727176

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 166, 332, 664, 1328, 2656, 5312, 121493, 242986, 485972, 971944, 1943888, 3887776, 7775552, 10083919, 20167838, 40335676, 80671352, 161342704, 322685408, 645370816]

約数ペア:

[(1, 645370816), (2, 322685408), (4, 161342704), (8, 80671352), (16, 40335676), (32, 20167838), (64, 10083919), (83, 7775552), (166, 3887776), (332, 1943888), (664, 971944), (1328, 485972), (2656, 242986), (5312, 121493)]