80489618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{26321}}^1$

素因数の和:26473

約数の個数: 16

約数和(自身を含む): 132662880

約数和(自身を除く): 52173262

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 26321, 52642, 289531, 579062, 3658619, 7317238, 40244809, 80489618]

約数ペア:

[(1, 80489618), (2, 40244809), (11, 7317238), (22, 3658619), (139, 579062), (278, 289531), (1529, 52642), (3058, 26321)]