64820476

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{121843}}^1$

素因数の和:121873

約数の個数: 24

約数和(自身を含む): 136465280

約数和(自身を除く): 71644804

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 121843, 243686, 487372, 852901, 1705802, 2315017, 3411604, 4630034, 9260068, 16205119, 32410238, 64820476]

約数ペア:

[(1, 64820476), (2, 32410238), (4, 16205119), (7, 9260068), (14, 4630034), (19, 3411604), (28, 2315017), (38, 1705802), (76, 852901), (133, 487372), (266, 243686), (532, 121843)]