128731631

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{13259}}^1$

素因数の和:13358

約数の個数: 16

約数和(自身を含む): 156998400

約数和(自身を除く): 28266769

約数列:

[1, 7, 19, 73, 133, 511, 1387, 9709, 13259, 92813, 251921, 967907, 1763447, 6775349, 18390233, 128731631]

約数ペア:

[(1, 128731631), (7, 18390233), (19, 6775349), (73, 1763447), (133, 967907), (511, 251921), (1387, 92813), (9709, 13259)]