66411964

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{404951}}^1$

素因数の和:404996

約数の個数: 12

約数和(自身を含む): 119055888

約数和(自身を除く): 52643924

約数列:

[1, 2, 4, 41, 82, 164, 404951, 809902, 1619804, 16602991, 33205982, 66411964]

約数ペア:

[(1, 66411964), (2, 33205982), (4, 16602991), (41, 1619804), (82, 809902), (164, 404951)]