67864979

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39251}}^1$

素因数の和:39290

約数の個数: 16

約数和(自身を含む): 87924480

約数和(自身を除く): 20059501

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 39251, 274757, 510263, 745769, 3571841, 5220383, 9694997, 67864979]

約数ペア:

[(1, 67864979), (7, 9694997), (13, 5220383), (19, 3571841), (91, 745769), (133, 510263), (247, 274757), (1729, 39251)]