127988536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{6247}}^1$

素因数の和:6463

約数の個数: 32

約数和(自身を含む): 259791840

約数和(自身を除く): 131803304

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 788, 1576, 2561, 5122, 6247, 10244, 12494, 20488, 24988, 49976, 81211, 162422, 324844, 649688, 1230659, 2461318, 4922636, 9845272, 15998567, 31997134, 63994268, 127988536]

約数ペア:

[(1, 127988536), (2, 63994268), (4, 31997134), (8, 15998567), (13, 9845272), (26, 4922636), (52, 2461318), (104, 1230659), (197, 649688), (394, 324844), (788, 162422), (1576, 81211), (2561, 49976), (5122, 24988), (6247, 20488), (10244, 12494)]