68720764

素因数分解:

$2^2\times 7^1\times {\mathrm{1229}}^1\times {\mathrm{1997}}^1$

素因数の和:3237

約数の個数: 24

約数和(自身を含む): 137622240

約数和(自身を除く): 68901476

約数列:

[1, 2, 4, 7, 14, 28, 1229, 1997, 2458, 3994, 4916, 7988, 8603, 13979, 17206, 27958, 34412, 55916, 2454313, 4908626, 9817252, 17180191, 34360382, 68720764]

約数ペア:

[(1, 68720764), (2, 34360382), (4, 17180191), (7, 9817252), (14, 4908626), (28, 2454313), (1229, 55916), (1997, 34412), (2458, 27958), (3994, 17206), (4916, 13979), (7988, 8603)]