128533867

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{72577}}^1$

素因数の和:72618

約数の個数: 16

約数和(自身を含む): 167219712

約数和(自身を除く): 38685845

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 72577, 508039, 798347, 1669271, 5588429, 11684897, 18361981, 128533867]

約数ペア:

[(1, 128533867), (7, 18361981), (11, 11684897), (23, 5588429), (77, 1669271), (161, 798347), (253, 508039), (1771, 72577)]