261901585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{47147}}^1$

素因数の和:47264

約数の個数: 16

約数和(自身を含む): 346254912

約数和(自身を除く): 84353327

約数列:

[1, 5, 11, 55, 101, 505, 1111, 5555, 47147, 235735, 518617, 2593085, 4761847, 23809235, 52380317, 261901585]

約数ペア:

[(1, 261901585), (5, 52380317), (11, 23809235), (55, 4761847), (101, 2593085), (505, 518617), (1111, 235735), (5555, 47147)]