28259726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67607}}^1$

素因数の和:67639

約数の個数: 16

約数和(自身を含む): 48677760

約数和(自身を除く): 20418034

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 67607, 135214, 743677, 1284533, 1487354, 2569066, 14129863, 28259726]

約数ペア:

[(1, 28259726), (2, 14129863), (11, 2569066), (19, 1487354), (22, 1284533), (38, 743677), (209, 135214), (418, 67607)]