280103131

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{158161}}^1$

素因数の和:158202

約数の個数: 16

約数和(自身を含む): 364405248

約数和(自身を除く): 84302117

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 158161, 1107127, 1739771, 3637703, 12178397, 25463921, 40014733, 280103131]

約数ペア:

[(1, 280103131), (7, 40014733), (11, 25463921), (23, 12178397), (77, 3637703), (161, 1739771), (253, 1107127), (1771, 158161)]