81391476

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{63389}}^1$

素因数の和:63503

約数の個数: 24

約数和(自身を含む): 191691360

約数和(自身を除く): 110299884

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 63389, 126778, 190167, 253556, 380334, 760668, 6782623, 13565246, 20347869, 27130492, 40695738, 81391476]

約数ペア:

[(1, 81391476), (2, 40695738), (3, 27130492), (4, 20347869), (6, 13565246), (12, 6782623), (107, 760668), (214, 380334), (321, 253556), (428, 190167), (642, 126778), (1284, 63389)]