28673869

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{1621}}^1$

素因数の和:1673

約数の個数: 18

約数和(自身を含む): 35224974

約数和(自身を除く): 6551105

約数列:

[1, 7, 19, 49, 133, 361, 931, 1621, 2527, 11347, 17689, 30799, 79429, 215593, 585181, 1509151, 4096267, 28673869]

約数ペア:

[(1, 28673869), (7, 4096267), (19, 1509151), (49, 585181), (133, 215593), (361, 79429), (931, 30799), (1621, 17689), (2527, 11347)]