216879078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2780501}}^1$

素因数の和:2780519

約数の個数: 16

約数和(自身を含む): 467124336

約数和(自身を除く): 250245258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 2780501, 5561002, 8341503, 16683006, 36146513, 72293026, 108439539, 216879078]

約数ペア:

[(1, 216879078), (2, 108439539), (3, 72293026), (6, 36146513), (13, 16683006), (26, 8341503), (39, 5561002), (78, 2780501)]