28404449

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 30991680

約数和(自身を除く): 2587231

約数列:

[1, 19, 53, 67, 421, 1007, 1273, 3551, 7999, 22313, 28207, 67469, 423947, 535933, 1494971, 28404449]

約数ペア:

[(1, 28404449), (19, 1494971), (53, 535933), (67, 423947), (421, 67469), (1007, 28207), (1273, 22313), (3551, 7999)]