28779338

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{108193}}^1$

素因数の和:108221

約数の個数: 16

約数和(自身を含む): 51933120

約数和(自身を除く): 23153782

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 108193, 216386, 757351, 1514702, 2055667, 4111334, 14389669, 28779338]

約数ペア:

[(1, 28779338), (2, 14389669), (7, 4111334), (14, 2055667), (19, 1514702), (38, 757351), (133, 216386), (266, 108193)]