12956492

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 23402400

約数和(自身を除く): 10445908

約数列:

[1, 2, 4, 41, 82, 164, 199, 397, 398, 794, 796, 1588, 8159, 16277, 16318, 32554, 32636, 65108, 79003, 158006, 316012, 3239123, 6478246, 12956492]

約数ペア:

[(1, 12956492), (2, 6478246), (4, 3239123), (41, 316012), (82, 158006), (164, 79003), (199, 65108), (397, 32636), (398, 32554), (794, 16318), (796, 16277), (1588, 8159)]