81223538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{26561}}^1$

素因数の和:26713

約数の個数: 16

約数和(自身を含む): 133872480

約数和(自身を除く): 52648942

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 26561, 53122, 292171, 584342, 3691979, 7383958, 40611769, 81223538]

約数ペア:

[(1, 81223538), (2, 40611769), (11, 7383958), (22, 3691979), (139, 584342), (278, 292171), (1529, 53122), (3058, 26561)]