1398285721

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{222197}}^1$

素因数の和:222264

約数の個数: 16

約数和(自身を含む): 1706480640

約数和(自身を除く): 308194919

約数列:

[1, 7, 29, 31, 203, 217, 899, 6293, 222197, 1555379, 6443713, 6888107, 45105991, 48216749, 199755103, 1398285721]

約数ペア:

[(1, 1398285721), (7, 199755103), (29, 48216749), (31, 45105991), (203, 6888107), (217, 6443713), (899, 1555379), (6293, 222197)]