180422

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 16

約数和(自身を含む): 302400

約数和(自身を除く): 121978

約数列:

[1, 2, 11, 22, 59, 118, 139, 278, 649, 1298, 1529, 3058, 8201, 16402, 90211, 180422]

約数ペア:

[(1, 180422), (2, 90211), (11, 16402), (22, 8201), (59, 3058), (118, 1529), (139, 1298), (278, 649)]