678262321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{3037}}^1$

素因数の和:3384

約数の個数: 16

約数和(自身を含む): 752451840

約数和(自身を除く): 74189519

約数列:

[1, 11, 79, 257, 869, 2827, 3037, 20303, 33407, 223333, 239923, 780509, 2639153, 8585599, 61660211, 678262321]

約数ペア:

[(1, 678262321), (11, 61660211), (79, 8585599), (257, 2639153), (869, 780509), (2827, 239923), (3037, 223333), (20303, 33407)]