28638862

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{21089}}^1$

素因数の和:21195

約数の個数: 16

約数和(自身を含む): 49603680

約数和(自身を除く): 20964818

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 21089, 42178, 147623, 295246, 2045633, 4091266, 14319431, 28638862]

約数ペア:

[(1, 28638862), (2, 14319431), (7, 4091266), (14, 2045633), (97, 295246), (194, 147623), (679, 42178), (1358, 21089)]