388639769

素因数分解:

$7^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1\times {\mathrm{619}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 447888000

約数和(自身を除く): 59248231

約数列:

[1, 7, 257, 349, 619, 1799, 2443, 4333, 89693, 159083, 216031, 627851, 1113581, 1512217, 55519967, 388639769]

約数ペア:

[(1, 388639769), (7, 55519967), (257, 1512217), (349, 1113581), (619, 627851), (1799, 216031), (2443, 159083), (4333, 89693)]