165640972

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{17981}}^1$

素因数の和:18046

約数の個数: 36

約数和(自身を含む): 344391264

約数和(自身を除く): 178750292

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 2303, 4606, 9212, 17981, 35962, 71924, 125867, 251734, 503468, 845107, 881069, 1690214, 1762138, 3380428, 3524276, 5915749, 11831498, 23662996, 41410243, 82820486, 165640972]

約数ペア:

[(1, 165640972), (2, 82820486), (4, 41410243), (7, 23662996), (14, 11831498), (28, 5915749), (47, 3524276), (49, 3380428), (94, 1762138), (98, 1690214), (188, 881069), (196, 845107), (329, 503468), (658, 251734), (1316, 125867), (2303, 71924), (4606, 35962), (9212, 17981)]