212981185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{35291}}^1$

素因数の和:35384

約数の個数: 16

約数和(自身を含む): 274430592

約数和(自身を除く): 61449407

約数列:

[1, 5, 17, 71, 85, 355, 1207, 6035, 35291, 176455, 599947, 2505661, 2999735, 12528305, 42596237, 212981185]

約数ペア:

[(1, 212981185), (5, 42596237), (17, 12528305), (71, 2999735), (85, 2505661), (355, 599947), (1207, 176455), (6035, 35291)]