212820904

素因数分解:

$2^3\times {\mathrm{431}}^1\times {\mathrm{61723}}^1$

素因数の和:62160

約数の個数: 16

約数和(自身を含む): 399971520

約数和(自身を除く): 187150616

約数列:

[1, 2, 4, 8, 431, 862, 1724, 3448, 61723, 123446, 246892, 493784, 26602613, 53205226, 106410452, 212820904]

約数ペア:

[(1, 212820904), (2, 106410452), (4, 53205226), (8, 26602613), (431, 493784), (862, 246892), (1724, 123446), (3448, 61723)]