320781826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 514022400

約数和(自身を除く): 193240574

約数列:

[1, 2, 19, 38, 191, 193, 229, 382, 386, 458, 3629, 3667, 4351, 7258, 7334, 8702, 36863, 43739, 44197, 73726, 87478, 88394, 700397, 831041, 839743, 1400794, 1662082, 1679486, 8441627, 16883254, 160390913, 320781826]

約数ペア:

[(1, 320781826), (2, 160390913), (19, 16883254), (38, 8441627), (191, 1679486), (193, 1662082), (229, 1400794), (382, 839743), (386, 831041), (458, 700397), (3629, 88394), (3667, 87478), (4351, 73726), (7258, 44197), (7334, 43739), (8702, 36863)]