28191992

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 54162000

約数和(自身を除く): 25970008

約数列:

[1, 2, 4, 8, 67, 134, 149, 268, 298, 353, 536, 596, 706, 1192, 1412, 2824, 9983, 19966, 23651, 39932, 47302, 52597, 79864, 94604, 105194, 189208, 210388, 420776, 3523999, 7047998, 14095996, 28191992]

約数ペア:

[(1, 28191992), (2, 14095996), (4, 7047998), (8, 3523999), (67, 420776), (134, 210388), (149, 189208), (268, 105194), (298, 94604), (353, 79864), (536, 52597), (596, 47302), (706, 39932), (1192, 23651), (1412, 19966), (2824, 9983)]