328156690

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{1061}}^1$

素因数の和:1422

約数の個数: 32

約数和(自身を含む): 598024944

約数和(自身を除く): 269868254

約数列:

[1, 2, 5, 10, 157, 197, 314, 394, 785, 985, 1061, 1570, 1970, 2122, 5305, 10610, 30929, 61858, 154645, 166577, 209017, 309290, 333154, 418034, 832885, 1045085, 1665770, 2090170, 32815669, 65631338, 164078345, 328156690]

約数ペア:

[(1, 328156690), (2, 164078345), (5, 65631338), (10, 32815669), (157, 2090170), (197, 1665770), (314, 1045085), (394, 832885), (785, 418034), (985, 333154), (1061, 309290), (1570, 209017), (1970, 166577), (2122, 154645), (5305, 61858), (10610, 30929)]