1387971078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17794501}}^1$

素因数の和:17794519

約数の個数: 16

約数和(自身を含む): 2989476336

約数和(自身を除く): 1601505258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 17794501, 35589002, 53383503, 106767006, 231328513, 462657026, 693985539, 1387971078]

約数ペア:

[(1, 1387971078), (2, 693985539), (3, 462657026), (6, 231328513), (13, 106767006), (26, 53383503), (39, 35589002), (78, 17794501)]