71913919

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1321}}^1$

素因数の和:1447

約数の個数: 24

約数和(自身を含む): 92233296

約数和(自身を除く): 20319377

約数列:

[1, 7, 11, 49, 77, 101, 539, 707, 1111, 1321, 4949, 7777, 9247, 14531, 54439, 64729, 101717, 133421, 712019, 933947, 1467631, 6537629, 10273417, 71913919]

約数ペア:

[(1, 71913919), (7, 10273417), (11, 6537629), (49, 1467631), (77, 933947), (101, 712019), (539, 133421), (707, 101717), (1111, 64729), (1321, 54439), (4949, 14531), (7777, 9247)]