189882968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{30391}}^1$

素因数の和:30479

約数の個数: 32

約数和(自身を含む): 393880320

約数和(自身を除く): 203997352

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 6248, 30391, 60782, 121564, 243128, 334301, 668602, 1337204, 2157761, 2674408, 4315522, 8631044, 17262088, 23735371, 47470742, 94941484, 189882968]

約数ペア:

[(1, 189882968), (2, 94941484), (4, 47470742), (8, 23735371), (11, 17262088), (22, 8631044), (44, 4315522), (71, 2674408), (88, 2157761), (142, 1337204), (284, 668602), (568, 334301), (781, 243128), (1562, 121564), (3124, 60782), (6248, 30391)]