64271888

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{138517}}^1$

素因数の和:138554

約数の個数: 20

約数和(自身を含む): 128821740

約数和(自身を除く): 64549852

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 138517, 277034, 554068, 1108136, 2216272, 4016993, 8033986, 16067972, 32135944, 64271888]

約数ペア:

[(1, 64271888), (2, 32135944), (4, 16067972), (8, 8033986), (16, 4016993), (29, 2216272), (58, 1108136), (116, 554068), (232, 277034), (464, 138517)]