77828324

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{19997}}^1$

素因数の和:20147

約数の個数: 24

約数和(自身を含む): 156784320

約数和(自身を除く): 78955996

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 19997, 39994, 79988, 139979, 279958, 559916, 2779583, 5559166, 11118332, 19457081, 38914162, 77828324]

約数ペア:

[(1, 77828324), (2, 38914162), (4, 19457081), (7, 11118332), (14, 5559166), (28, 2779583), (139, 559916), (278, 279958), (556, 139979), (973, 79988), (1946, 39994), (3892, 19997)]