64818481

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37489}}^1$

素因数の和:37528

約数の個数: 16

約数和(自身を含む): 83977600

約数和(自身を除く): 19159119

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 37489, 262423, 487357, 712291, 3411499, 4986037, 9259783, 64818481]

約数ペア:

[(1, 64818481), (7, 9259783), (13, 4986037), (19, 3411499), (91, 712291), (133, 487357), (247, 262423), (1729, 37489)]