128255678

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{7993}}^1$

素因数の和:8179

約数の個数: 16

約数和(自身を含む): 196844256

約数和(自身を除く): 68588578

約数列:

[1, 2, 71, 113, 142, 226, 7993, 8023, 15986, 16046, 567503, 903209, 1135006, 1806418, 64127839, 128255678]

約数ペア:

[(1, 128255678), (2, 64127839), (71, 1806418), (113, 1135006), (142, 903209), (226, 567503), (7993, 16046), (8023, 15986)]