65784688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{216397}}^1$

素因数の和:216424

約数の個数: 20

約数和(自身を含む): 134166760

約数和(自身を除く): 68382072

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 216397, 432794, 865588, 1731176, 3462352, 4111543, 8223086, 16446172, 32892344, 65784688]

約数ペア:

[(1, 65784688), (2, 32892344), (4, 16446172), (8, 8223086), (16, 4111543), (19, 3462352), (38, 1731176), (76, 865588), (152, 432794), (304, 216397)]