1381468784

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{200329}}^1$

素因数の和:200768

約数の個数: 20

約数和(自身を含む): 2682819360

約数和(自身を除く): 1301350576

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3448, 6896, 200329, 400658, 801316, 1602632, 3205264, 86341799, 172683598, 345367196, 690734392, 1381468784]

約数ペア:

[(1, 1381468784), (2, 690734392), (4, 345367196), (8, 172683598), (16, 86341799), (431, 3205264), (862, 1602632), (1724, 801316), (3448, 400658), (6896, 200329)]