1991379841

素因数分解:

${\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{631}}^1\times {\mathrm{1021}}^1$

素因数の和:1944

約数の個数: 16

約数和(自身を含む): 2185739136

約数和(自身を除く): 194359295

約数列:

[1, 11, 281, 631, 1021, 3091, 6941, 11231, 177311, 286901, 644251, 1950421, 3155911, 7086761, 181034531, 1991379841]

約数ペア:

[(1, 1991379841), (11, 181034531), (281, 7086761), (631, 3155911), (1021, 1950421), (3091, 644251), (6941, 286901), (11231, 177311)]