128463209

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{2851}}^1$

素因数の和:3056

約数の個数: 16

約数和(自身を含む): 151406976

約数和(自身を除く): 22943767

約数列:

[1, 7, 41, 157, 287, 1099, 2851, 6437, 19957, 45059, 116891, 447607, 818237, 3133249, 18351887, 128463209]

約数ペア:

[(1, 128463209), (7, 18351887), (41, 3133249), (157, 818237), (287, 447607), (1099, 116891), (2851, 45059), (6437, 19957)]