1389205784

素因数分解:

$2^3\times {\mathrm{719}}^1\times {\mathrm{241517}}^1$

素因数の和:242242

約数の個数: 16

約数和(自身を含む): 2608394400

約数和(自身を除く): 1219188616

約数列:

[1, 2, 4, 8, 719, 1438, 2876, 5752, 241517, 483034, 966068, 1932136, 173650723, 347301446, 694602892, 1389205784]

約数ペア:

[(1, 1389205784), (2, 694602892), (4, 347301446), (8, 173650723), (719, 1932136), (1438, 966068), (2876, 483034), (5752, 241517)]